quot None quot Keeps Showing Up When I Run My Program Stack Overflow
That s because the function menu is not returning anything by default a function in python returns None def func pass print func use print only if you want to print the returned value None Just use menu no need of print as you re already printing inside the function body
Why Does My Function Print None In Python Solved Bobbyhadz, 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 main py def example print bobbyhadz print example Output bobbyhadz None
Python s None Null In Python Overview Real Python
While None does serve some of the same purposes as null in other languages it s another beast entirely As the null in Python None is not defined to be 0 or any other value In Python None is an object and a first class citizen In this course you ll learn What None is and how to test for it When and why to use None as a default parameter
What Does None Mean In Python Stack Overflow, 1 Answer Like was said in the comments None is a null value It is useful when writing a code where if statements require a value to proceed import numpy x numpy array 1 0 2 0 3 0 if array is None pass else x array 2
What Is Meant By quot is Not None quot In Python Stack Overflow
What Is Meant By quot is Not None quot In Python Stack Overflow, The None value in Python is often used to indicate the lack of a value It appears automatically when a function does not explicitly return a value It s often used as the default value for optional parameters as in def sort key None if key is not None do something with the argument else argument was omitted
Why Does Python Log A SyntaxWarning Saying object Is Not Subscriptable Adam Johnson
Python Why Is quot None quot Printed After My Function s Output
Python Why Is quot None quot Printed After My Function s Output When interpreted as a string for printing None is replaced with the string None None is a special object that is supposed to represent the absence of any real thing Its type is NoneType it is an instance of that class Whenever you don t explicitly return anything you implicitly return None
Explain The Difference Among List Tuple And Dictionary Why Does Python Have All Of Them
Grade in input print Enter Your Grade Only Upper Case input takes a string as its argument which it will print automatically So since your print statement executes first and returns a None which is then printed by the input function hence you have the None printed there too Python Input Is Always Producing quot None quot Stack Overflow. Short answer You get none because you asked it But this is not very useful information With outside print you re asking Python to print the value returned by the inside print function Since print function prints and don t have return part then None is returned by default If you don t explicitly return a value Python has your function return None Your function doesn t actually return anything because print prints to stdout while return actually returns a value They may look the same in
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