Simple If-Else concept of Python 3

Question

Why is the following code resulting in just True? Shouldn’t the output be something like this:

True
False

because there’s no else statement. So once it verifies and executes the if command, shouldn’t it read thereturn False command as well? This command is not within the If indentation and it’s not even mentioned with else.

def is_even(number):
    if number % 2 == 0:
        return True
    return False
    
print(is_even(2))

Asked By: Shaurya Gupta

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Source

Answer 1

Executing ‘return’ terminates function execution immediately, with the specified value as the value of the function call.

It does not mean something like ‘add this to what is to be returned at some future time, meanwhile carry on execution’, which is what would be needed for your apparently understanding.

This is how ‘return’ works in most procedural languages.

Answered By: undefined symbol

Answer 2

return statement is used to return a value to the caller and exit a function. A function will stop immediately and return a value if it meets with return statement.
Also note that if statement does not requires else clause every time. It can stay alone to handle specific cases.
As an example:

x = 44

if x>46:
    print("hello")
print("hi")

Answered By: Shounak Das

Simple If-Else concept of Python 3

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