Mar 2, 2015 · Because there are two print statements. First is inside function and second is outside function. When a function doesn't return anything, it implicitly returns None. Use return statement at end of function to return value. e.g.: Return None. >>> …

It's the return value of the function, which you print out. If there is no return statement (or just a return without an argument), an implicit return None is added to the end of a function. You probably want to return the values in the function instead of printing them: if …

Apr 8, 2024 · Functions often print None when we pass the result of calling a function that doesn't return anything to the print() function. All functions that don't explicitly return a value, return None in Python.

May 27, 2013 · Whenever I run the calculator program I created, it works fine but the text "None" keeps showing up and I don't know why. Here's the code: def add(): print 'choose 2 numbers to add' a=inpu...

Seeing None printed unexpectedly when you call a Python function is a common source of confusion, especially for beginners. This guide explains the fundamental reasons why a function might print None , and how to ensure your functions return and print the values you expect.

In summary, Python functions print None when they don’t explicitly return a value or when the return statement does not specify a value. None values can also come from variables and built-in functions in Python.

Dec 26, 2024 · In Python 3, “None” is printed after a function’s output when the function either does not explicitly return a value or explicitly returns “None”. It is important to ensure that functions return the expected values or use appropriate error handling to …

Aug 14, 2022 · The None is passed to the print on that last line and is printed. Alternatives: Don’t print the search on the last line, just call search (with no print surrounding).

Feb 8, 2021 · If you make a function without any return statement inside, the object None is returned implicit. For example print was in Python 2 a statement. Now since long time, print is a function. Also the print function return a None. That's why you got a …

Sep 13, 2016 · When you write print(share_details(share_data)) - it means print the value returned by share_details function. The function returns None after printing the values. If the function doesn't return anything that needs to be printed, it is better to omit the print and just call the function like: share_details(share_data)