Question

How to use local variables in nested function in Python

Answer 1

def function():
    print("function()")
    a = 111

    def nested_function():
        print("nested_function()")
        print(a)
    print("Before calling nested_function()")
    print(a)
    nested_function()
    print("After calling nested_function()")
    print(a)

function()


'''
run:

function()
Before calling nested_function()
111
nested_function()
111
After calling nested_function()
111

'''

 

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Answer 2

def function():
    print("function()")
    a = 111

    def nested_function():
        print("nested_function()")
        print(a)
    print("Before calling nested_function()")
    print(a)
    a = 222
    nested_function()
    print("After calling nested_function()")
    print(a)

function()


'''
run:

function()
Before calling nested_function()
111
nested_function()
222
After calling nested_function()
222

'''

 

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