python function default return value

He's a self-taught Python developer with 6+ years of experience. Changing the style of a line that connects two nodes in tikz. Transcript. 81. Heres an alternative implementation of by_factor() using a lambda function: This implementation works just like the original example. Once youve coded describe(), you can take advantage of a powerful Python feature known as iterable unpacking to unpack the three measures into three separated variables, or you can just store everything in one variable: Here, you unpack the three return values of describe() into the variables mean, median, and mode. Note: You can build a Python tuple by just assigning several comma-separated values to a single variable. Instead, you use the expression directly as a return value. Then you can make a second pass to write the functions body. But if youre writing a script and you want to see a functions return value, then you need to explicitly use print(). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You can use any Python object as a return value. And so I can write code after finding the minimum value of my lst to check for this -1 to say, Well, there really wasnt a minimum value because lst was empty. And so now since lst is False, min() is going to use the second operand and return that value. To do that, you need to divide the sum of the values by the number of values. Since this is the purpose of print(), the function doesnt need to return anything useful, so you get None as a return value. To fix this problem, you can add a third return statement, either in a new elif clause or in a final else clause: Now, my_abs() checks every possible condition, number > 0, number < 0, and number == 0. Ours is this, at the moment: If you run your code, you'll see there are no problems, and the output The Python return statement allows you to send any Python object from your custom functions back to the caller code. message="Hello World"): The only values you need when calling a function are the ones without You may also have a look at the following articles to learn more . This is done by denoting the same number of variables on the assignment operators left-hand side, where the function is getting called. How To Set And Access State Using A Dynamic Key In React. If, for example, something goes wrong with one of them, then you can call print() to know whats happening before the return statement runs. time() returns the time in seconds since the epoch as a floating-point number. Thats why double remembers that factor was equal to 2 and triple remembers that factor was equal to 3. So maybe all of my values in my lists are positive and if I do something like [-1], a list containing a single value of -1, this will tell me that there wasnt anything meaningful in the real parameter that I wanted to use, lst. The value of the key or the default value. Although the try except form can be a bit verbose, in my opinion it has a lot of advantages in terms of clearly showing where an exception may occur and what the control flow is around that exception. Become a Member to join the conversation. However, change your calling line to this: Now run your code again. These are some solutions that can help you return a default value if None in Python. To retrieve each number form the generator object, you can use next(), which is a built-in function that retrieves the next item from a Python generator. Connect and share knowledge within a single location that is structured and easy to search. Is there anyway to stop people passing in sentinel? we would write code to indicate not to use that particular minimum value. Well, lets provide this method with a value to use in the event lst doesnt contain anything meaningful, and we can use the or operator to do that. If we call the function without argument, it uses the default value: Example. Thats what youll cover from this point on. That's why addition(3, 5) still name then type an equals sign.After the equals sign, type a value for Can the UVLO threshold be below the minimum supply voltage? How was Aragorn's legitimacy as king verified? Stop Googling Git commands and actually learn it! But only if a default Let's first call the find_square() method with the argument value of 10: Check out our hands-on, practical guide to learning Git, with best-practices, industry-accepted standards, and included cheat sheet. Here is the function we'll be using as an example: In the code above we create a function, func_args(), with two arguments integer1 and integer2. So if I say min() of lst, orand now let me create a new list with a value that I would recognize as not being meaningful to my data. Additionally, when you need to update counter, you can do so explicitly with a call to increment(). Usually, a function starts with the keyworddeffollowed by the function name, which issquare over here. A function may have multiple return statements. Thanks for contributing an answer to Stack Overflow! For a better understanding on how to use sleep(), check out Python sleep(): How to Add Time Delays to Your Code. You can use a return statement to return multiple values from a function. To emulate any(), you can code a function like the following: If any item in iterable is true, then the flow of execution enters in the if block. Any idea to export this circuitikz to PDF? Say youre writing a function that adds 1 to a number x, but you forget to supply a return statement. Its up to you what approach to use for solving this problem. On the other hand, a function is a named code block that performs some actions with the purpose of computing a final value or result, which is then sent back to the caller code. Want to clean install macOS High Sierra but unable to delete the existing Macintosh HD partition. Disassembling IKEA furniturehow can I deal with broken dowels? You can create a Desc object and use it as a return value. So far, youve covered the basics of how the Python return statement works. When this happens, you automatically get None. When youre writing a function that returns multiple values in a single return statement, you can consider using a collections.namedtuple object to make your functions more readable. In short, only one return statement will get executed, and the control is passed back to the caller as soon as the return statement is executed within a function. your variable. integer2, is missing. If you do not specify values for all the function arguments, you will see an error. python, Recommended Video Course: Using the Python return Statement Effectively, Recommended Video CourseUsing the Python return Statement Effectively. Why does this error happen, and how [], It can be annoying if youre facing the error NameError: name glob is not defined [], Whether youre a beginner, experienced, or somewhere in between, you probably have the occasional silly [], Your email address will not be published. couldn't do this, for example, when calling the function: This would get you an error because two of the arguments are required, Join us and get access to thousands of tutorials and a community of expert Pythonistas. How do I delete a file or folder in Python? Firstly, you have to assign the value of the parameters as None in the function. It also has an implicit return statement. All Python functions have a return value, either explicit or implicit. It breaks the loop execution and makes the function return immediately. If you want that your script to show the result of calling add() on your screen, then you need to explicitly call print(). best-practices You can avoid this problem by writing the return statement immediately after the header of the function. A first-class object is an object that can be assigned to a variable, passed as an argument to a function, or used as a return value in a function. Thats because when you run a script, the return values of the functions that you call in the script dont get printed to the screen like they do in an interactive session. You open a text editor and type the following code: add() takes two numbers, adds them, and returns the result. a comma. 516), Help us identify new roles for community members, Help needed: a call for volunteer reviewers for the Staging Ground beta test, 2022 Community Moderator Election Results, Using None as parameter to keyword argument, Detect if an optional argument (which may include None) is provided, Distinguishing argument value of `None` from the default parameter value of `None`, Adding default Parameter without overriding None. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. basics A common practice is to use the result of an expression as a return value in a return statement. Let's now pass a value for one of the arguments and see what happens: Now in the output, you should again see the following error: The difference here is that the error now tells us that the value for one of the positional arguments, i.e. Note: Python follows a set of rules to determine the truth value of an object. This function implements a short-circuit evaluation. To apply this idea, you can rewrite get_even() as follows: The list comprehension gets evaluated and then the function returns with the resulting list. A decorator function takes a function object as an argument and returns a function object. So, to return True, you need to use the not operator. 516), Help us identify new roles for community members, Help needed: a call for volunteer reviewers for the Staging Ground beta test, 2022 Community Moderator Election Results. We connect IT experts and students so they can share knowledge and benefit the global IT community. In other words, you can use your own custom objects as a return value in a function. Related Tutorial Categories: Similarly, The loop continues for the remaining values, and the final output looks like. You need to use a sentinel to detect that a default value was not set: This works because an instance of object() will always have it's own memory id and thus is will only return True if the exact value was left in place. Between Save your script to a file called adding.py and run it from your command line as follows: If you run adding.py from your command line, then you wont see any result on your screen. Default arguments in Python. A default argument is an argument that assumes a default value if a value is not provided in the function call for that argument. The following example gives an idea on default arguments, it prints default age if it is not passed . The Python language has a different way of representing syntax and default values for function arguments. If none of the This can save you a lot of processing time when running your code. The reason being, you can call that function multiple times where so ever required instead of replicating the same piece of code. In this topic, we are going to learn about Python Return Value. No value has been provided for the default argument integer2. If you are struggling with C, C++, Java, Python, JavaScript, or R programming languages, dont worry. The rest of the code will be skipped, and the control will be passed back to the caller. Before doing that, your function runs the finally clause and prints a message to your screen. The following example shows a decorator function that you can use to get an idea of the execution time of a given Python function: The syntax @my_timer above the header of delayed_mean() is equivalent to the expression delayed_mean = my_timer(delayed_mean). If you use it anywhere else, then youll get a SyntaxError: When you use return outside a function or method, you get a SyntaxError telling you that the statement cant be used outside a function. Note: Regular methods, class methods, and static methods are just functions within the context of Python classes. Inside increment(), you use a global statement to tell the function that you want to modify a global variable. Otherwise, your function will have a hidden bug. Why do we always assume in problems that if things are initially in contact with each other then they would be like that always? To retain the current value of factor between calls, you can use a closure. This is a guide to Python Return Value. The reasonbeing, we caught each returned value independently into different variables. Making statements based on opinion; back them up with references or personal experience. In general, its a good practice to avoid functions that modify global variables. These named code blocks can be reused quickly because you can use their name to call them from different places in your code. Say youre writing a painting application. How could a really intelligent species be stopped from developing? There are situations in which you can add an explicit return None to your functions. This can be confusing for developers who come from other programming languages in which a function without a return value is called a procedure. Its also difficult to debug because youre performing multiple operations in a single expression. In other words, it remembers the value of factor between calls. Take the following function for example: Trying to call this function will result in an error since the first argument has a default, but the second one does not: Executing this code results in the following error: Get tutorials, guides, and dev jobs in your inbox. Following this idea, heres a new implementation of is_divisible(): If a is divisible by b, then a % b returns 0, which is falsy in Python. We hope this tutorial is helpful to you. Suppose you want to write a predicate function that takes two values and returns True if both are true and False otherwise. If number happens to be 0, then neither condition is true, and the function ends without hitting any explicit return statement. The call to the decorated delayed_mean() will return the mean of the sample and will also measure the execution time of the original delayed_mean(). precisely, throw exceptionsif you provide them with an empty list. Any other value will not register as the same object, including None. The default value is assigned by using the Parameters are the values actually passed to function arguments. We could set it up like this: def addition(first_number, second_number, So, having that kind of code in a function is useless and confusing. not the add_ten variable. Would the US East Coast raise if everyone living there moved away? To make your code reusable, you tend to use functions if the same piece of code is utilized multiple times. 02:19 pip install mysql-python fails with EnvironmentError: mysql_config not found, Return a default value if a dictionary key is not available. This is how a caller code can take advantage of a functions return value. A Python function with a yield statement in its body is a generator function. This wouldn't cause an error, by the way: What would happen is that True would evaluate to 1. There is no notion of procedure or routine in Python. Theres no need to use parentheses to create a tuple. For example, suppose we want our function from the When you execute the above script, the value 10 overwrites the default value of 2 for the argument integer1 of the find_square() function and the function returns 100, which is square of 10. Lets write a function that returns the square of the argument passed. arguments. This is how the return value comes into the picture whensoever functions are used in Python. Sometimes that difference is so strong that you need to use a specific keyword to define a procedure or subroutine and another keyword to define a function. A common way of writing functions with multiple return statements is to use conditional statements that allow you to provide different return statements depending on the result of evaluating some conditions. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To fix the problem, you need to either return result or directly return x + 1. added to answer. With this knowledge, youll be able to write more readable, maintainable, and concise functions in Python. When does money become money? How are you going to put your newfound skills to use? If the expression that youre using gets too complex, then this practice can lead to functions that are difficult to understand, debug, and maintain. A closure factory function is a common example of a higher-order function in Python. xsquared:One for storing the result returned based on the first argument passed to thesquarefunction, ysquared:Another for storing the result returned based on the second argument passed to thesquarefunction, Can you determine whats the type of data or object stored inxsquared&ysquaredrespectively? In the above example, you use a pass statement. That default return value will always be None. Suppose you need to code a function that takes a number and returns its absolute value. There is no mechanism to hide or suppress any generic exception within a function. So, if you dont explicitly use a return value in a return statement, or if you totally omit the return statement, then Python will implicitly return a default value for you. For example, say you need to write a function that takes two integers, a and b, and returns True if a is divisible by b. So, you can say that a generator function is a generator factory. Why do we always assume in problems that if things are initially in contact with each other then they would be like that always? Using temporary variables can make your code easier to debug, understand, and maintain. In this case, Python will return None for you. In other situations, however, you can rely on Pythons default behavior: If your function performs actions but doesnt have a clear and useful return value, then you can omit returning None because doing that would just be superfluous and confusing. Then the function returns the resulting list, which contains only even numbers. How can the fertility rate be below 2 but the number of births is greater than deaths (South Korea)? If you build a return statement without specifying a return value, then youll be implicitly returning None. Likewise, *args could be used, but prevents users from using default=bar if they prefer that syntax. If youre totally new to Python functions, then you can check out Defining Your Own Python Function before diving into this tutorial. "Least Astonishment" and the Mutable Default Argument. To learn more, see our tips on writing great answers. As soon as the return statement is executed, the control is transferred back to the caller. In some languages, theres a clear difference between a routine or procedure and a function. To avoid this kind of behavior, you can write a self-contained increment() that takes arguments and returns a coherent value that depends only on the input arguments: Now the result of calling increment() depends only on the input arguments rather than on the initial value of counter. Is there a word to describe someone who is greedy in a non-economical way? Thus completing the first iteration of the for a loop. The second component of a function is its code block, or body. 42 is the explicit return value of return_42(). Thanks! window will still report an answer of 8. It's important to note that parameters with default arguments cannot be followed by parameters with no default argument. A particle on a ring has quantised energy levels - or does it? There's much more to know. The decorator processes the decorated function in some way and returns it or replaces it with another function or callable object. If, on the other hand, you use a Python conditional expression or ternary operator, then you can write your predicate function as follows: Here, you use a conditional expression to provide a return value for both_true(). the round brackets of your function definition, come up with a variable But you want to return a value of 0. C# Programming, Conditional Constructs, Loops, Arrays, OOPS Concept, This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. To better understand this behavior, you can write a function that emulates any(). You now know how to write functions that return one or multiple values to the caller. This is where default arguments in Python functions come in to play. 2022 - EDUCBA. The function takes two (non-complex) numbers as arguments and returns two numbers, the quotient of the two input values and the remainder of the division: The call to divmod() returns a tuple containing the quotient and remainder that result from dividing the two non-complex numbers provided as arguments. Note: Even though list comprehensions are built using for and (optionally) if keywords, theyre considered expressions rather than statements. Additionally, youve learned some more advanced use cases for the return statement, like how to code a closure factory function and a decorator function. This works because an instance of object() will always have it's own memory id and thus is will only return True if the exact value was left in place. A return statement consists of the return keyword followed by an optional return value. A script name will be followed by the file name, Methods to skip a value in a list python Method 1: Using enumerate function Method 2: Using list comprehension Method 3: == True is because we could have simplified the line to this: You can also use the keyword is instead of the two equal signs: But what the code does is add 10 to answer only if the add_ten You generally name it, The blockchain tech to build in a crypto winter (Ep. Note that you can only use expressions in a return statement. These practices can improve the readability and maintainability of your code by explicitly communicating your intent. Python first evaluates the expression sum(sample) / len(sample) and then returns the result of the evaluation, which in this case is the value 2.5. Python functions are not restricted to having a single return statement. Both procedures and functions can act upon a set of input values, commonly known as arguments. rev2022.12.7.43084. To understand a program that modifies global variables, you need to be aware of all the parts of the program that can see, access, and change those variables. Temporary variables like n, mean, and total_square_dev are often helpful when it comes to debugging your code. Reviewing How the Python or Operator Works, Now lets take a look at how we can use the, backup return value for some functions that might crash when. Why is Artemis 1 swinging well out of the plane of the moon's orbit on its return to Earth? The Python return statement is a special statement that you can use inside a function or method to send the functions result back to the caller. When condition is evaluated to False, the print() call is run and you get Hello, World printed to your screen. You can also use a bare return without a return value just to make clear your intention of returning from the function. You can access those attributes using dot notation or an indexing operation. Does Python has a feature that allows one to evaluate a function or expression and if the evaluation fails (an exception is raised) return a default value. Join us and get access to thousands of tutorials and a community of expert Pythonistas. But first, we will see how to define a function in Python and how to explicitly pass values to function arguments. You'll see different variants of the above trick in various different python projects. What do you think? functions. This is possible because these operators return either True or False. Any idea to export this circuitikz to PDF? Some programmers rely on the implicit return statement that Python adds to any function without an explicit one. When setting up your functions, you can have as many default values To let a function return a value, use the return 00:00 Now lets take a look at how we can use the or operator to provide a backup return value for some functions that might crash when evaluated with the Lets check using the type attribute on what type of object t holds or whats the return type of the square function, returning multiple values. Calling Functions How Function Return Value? Heres a possible implementation: is_divisible() returns True if the remainder of dividing a by b is equal to 0. So, your functions can return If none of the integer values is passed to the function, the default arguments would take values 2 and 4 respectively, as shown below: Let's first call the add_ints() function without any parameters: Since we did not pass any values for the function arguments, the default argument values, i.e 2 and 4, have been added together. The first two calls to next() retrieve 1 and 2, respectively. We can do that in an If Statement. A closure carries information about its enclosing execution scope. Note that in the last example, you store all the values in a single variable, desc, which turns out to be a Python tuple. 01:12 For example, suppose you need to write a function that takes a sample of numeric data and returns a summary of statistical measures. Python defines code blocks using indentation instead of brackets, begin and end keywords, and so on. But, if the function is called without an argument, then the default value is assigned to that particular Now lets take a look at how we can use the or operator to provide a backup return value for some functions that might crash when evaluated with the main parameter value that you would like to give it. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This means that any time you call return_42(), the function will send 42 back to the caller. However, thats not what happens, and you get nothing on your screen. Let's now pass two of our own values to the add_ints() function: As expected, 4 and 8 were added together to return 12. Note that the return value of the generator function (3) becomes the .value attribute of the StopIteration object. Follow this article to learn how to return a default value if None in Python with the explanation and examples below. Otherwise, it returns False. Examples might be simplified to improve reading and learning. However, you should consider that in some cases, an explicit return None can avoid maintainability problems. What if you want your function to execute with or without the argument values in the function call? When you modify a global variables, youre potentially affecting all the functions, classes, objects, and any other parts of your programs that rely on that global variable. In this section, youll cover several examples that will guide you through a set of good programming practices for effectively using the return statement. Finally, if you use bool(), then you can code both_true() as follows: bool() returns True if a and b are true and False otherwise. One last thing about default values. Because Pythons 2.x series lacks a standard way of annotating a functions parameters and return values, a variety of tools and libraries have appeared to fill this gap. Between the round brackets of your function definition, come up with a variable name then type an equals sign.After the equals sign, Join us and get access to thousands of tutorials, hands-on video courses, and a community of expertPythonistas: Master Real-World Python SkillsWith Unlimited Access to RealPython. @hayden: of course not, this is python. from other Functions >. of 1 would then get stored in the second_number variable and namedtuple is a collection class that returns a subclass of tuple that has fields or attributes. In the next lesson, you'll see that functions can be called from other Look at the example below to learn more about None in Python. You can get the value of the key in the dictionary by the get() method built in Python. Here we discuss the examples of Python Return Value along with the output and how does it work. Its more readable, concise, and efficient. These objects are known as the functions return value. If you define a function with an explicit return statement that has an explicit return value, then you can use that return value in any expression: Since return_42() returns a numeric value, you can use that value in a math expression or any other kind of expression in which the value has a logical or coherent meaning. 30. This built-in function takes an iterable and returns True if at least one of its items is truthy. In the script above, 3 has been passed as a value to the integer1 argument of the take_power() function. The return statement breaks the loop and returns immediately with a return value of True. yes. Let's now try to call the func_args() method without passing values for the arguments: In the output, you should see the following error: The error is quite clear, the function call to func_args() is missing the 2 required positional arguments, integer1 and integer2. The Python documentation defines a function as follows: A series of statements which returns some value to a caller. Does any country consider housing and food a right? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The function uses the global statement, which is also considered a bad programming practice in Python: In this example, you first create a global variable, counter, with an initial value of 0. How to return dictionary keys as a list in Python? Its important to note that to use a return statement inside a loop, you need to wrap the statement in an if statement. Not the answer you're looking for? Pseudo-code: This is an example of a function with multiple return values. Any of the following sentinels would also work: Thanks for contributing an answer to Stack Overflow! As soon as a function hits a return statement, it terminates without executing any subsequent code. If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: W3Schools is optimized for learning and training. For instance, in the following script, the function adds the integers number passed to the arguments. You don't need to include a default value when you're calling a function. These default values are assigned to function arguments if you do not explicitly pass a parameter value to the given argument. You'll see this: We've typed True in our calling line, after the number 5 and And if we did get the -1 back, we would write code to indicate not to use that particular minimum value. Well, lets provide this method with a value to use in the event, doesnt contain anything meaningful, and we can use the, and now let me create a new list with a value that I would recognize as not, So maybe all of my values in my lists are positive, this will tell me that there wasnt anything meaningful in the, And so I can write code after finding the minimum value of my, there really wasnt a minimum value because. Read our Privacy Policy. You can pass data to these functions via function arguments. In Python, these kinds of named code blocks are known as functions because they always send a value back to the caller. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. Consider the following function that calculates the variance of a sample of numeric data: The expression that you use here is quite complex and difficult to understand. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Explore 1000+ varieties of Mock tests View more, Special Offer - Python Certifications Training Program (40 Courses, 13+ Projects) Learn More, 600+ Online Courses | 50+ projects | 3000+ Hours | Verifiable Certificates | Lifetime Access, Python Certifications Training Program (40 Courses, 13+ Projects), Programming Languages Training (41 Courses, 13+ Projects, 4 Quizzes), Angular JS Training Program (9 Courses, 7 Projects), Exclusive Things About Python Socket Programming (Basics), Practical Python Programming for Non-Engineers, Python Programming for the Absolute Beginner, Software Development Course - All in One Bundle. We take your privacy seriously. So, if youre working in an interactive session, then Python will show the result of any function call directly to your screen. Is there an alternative of WSL for Ubuntu? Can an Artillerist use their eldritch cannon as a focus? The function object you return is a closure that retains information about the state of factor. One of the principles of the Pythonic philosophy, I believe, is that "explicit is better than implicit," so Python generally avoids automatic type casting and error recovery, which are features of more "implicit- friendly"languages like Perl. So, to write a predicate that involves one of these operators, youll need to use an explicit if statement or a call to the built-in function bool(). To work around this particular problem, you can take advantage of an incremental development approach that improves the readability of the function. The print statement will printthe value temp_Celsius, that is 20, followed by :The print statement will printthe value of temp_Celsius, that is 20, followed by the colon :Thereafter the function temp_converter is called passing the current value of temp_Celsius that is 20.More items The default value for the integer1 argument is set to 2. Asking for help, clarification, or responding to other answers. A new window should pop up with our email address. 00:26 In the above example, add_one() adds 1 to x and stores the value in result but it doesnt return result. max() doesnt like that and min() doesnt either. Since factor rarely changes in your application, you find it annoying to supply the same factor in every function call. Now you can use shape_factory() to create objects of different shapes in response to the needs of your users: If you call shape_factory() with the name of the required shape as a string, then you get a new instance of the shape that matches the shape_name youve just passed to the factory. Other common examples of decorators in Python are classmethod(), staticmethod(), and property(). is developed to help students learn and share their knowledge more effectively. None is only None. To learn more, see our tips on writing great answers. time() lives in a module called time that provides a set of time-related functions. print(t)will print the value to the screen, and the result will look like. For example, you can code a decorator to log function calls, validate the arguments to a function, measure the execution time of a given function, and so on. So, to show a return value of None in an interactive session, you need to explicitly use print(). The python return statement is used in a function to return something to the caller program. We can use the return statement inside a function only. In Python, every function returns something. If there are no return statements, then it returns None. If the return statement contains an expression, its evaluated first and then the value is You can return a default value if None in Python with a function. Functions that dont have an explicit return statement with a meaningful return value often preform actions that have side effects. Start Your Free Software Development Course, Web development, programming languages, Software testing & others. The following script shows how you'd actually call the my_function() function: In the output, you should see a simple statement printed to the screen by the my_function() function: Let's now define a simple Python function where we have to pass multiple values for the function arguments. The function temp_converter catches the value being passed in the argument Temp_Celsius &returnsthe result of(Temp_Celsius* 9 / 5) + 32 which is equivalent to 68.0, The print statement then prints the returned value after the colon, and the final output for the first iteration looks like 20: 68.0. then we know that our list had meaningful data and we did get the true minimum. Asking for help, clarification, or responding to other answers. If you call the find_square() method with a value for the integer1 argument, the find_square() function will return the square of that value. All rights reserved. Otherwise, the return statement under else: will get executed if the conditional x