Python · Functions

return

Sends a value back to the caller. A function without return returns None.

pythonRunnable example python course

Syntax

return value

Example

Open in the lab

def sign(n):
    if n > 0:
        return "positive"
    return "not positive"
print(sign(4))

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.