How to change variable in function scope from inner function

Question

Same code will work in JS, but in python it will not change variable, how do you change variables in nested functions? Thanks in advance and sorry for noob question

   def sample():
       a = False
       def sample2():
           a = True
       sample2()
       return a

Asked By: Rustam-Deniz Emirali

||

Source

Answer 1

Use nonlocal to modify variables outside the scope of the function.

   def sample():
       a = False
       def sample2():
           nonlocal a
           a = True
       sample2()
       return a

Answered By: paltaa

Answer 2

use nonlocal

def sample():
    a = False
    def sample2():
        nonlocal a
        a = True
    sample2()
    return a

Python 3 docs

The nonlocal statement causes the listed identifiers to refer to previously bound variables in the nearest enclosing scope excluding globals.

Answered By: imbr

Answer 3

 def sample():
       a = False
       def sample2():
           nonlocal a
           a = True
       sample2()
       return a

This should work.

Answered By: Hasibul Islam Polok

How to change variable in function scope from inner function

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