how to use nested function in python code example

Example 1: nested functions in python

def print_msg(msg):
    # This is the outer enclosing function

    def printer():
        # This is the nested function
        print(msg)

    return printer  # returns the nested function


# Now let's try calling this function.
# Output: Hello
another = print_msg("Hello")
another()

Example 2: what is used of nested function in python

def function1(): # outer function
    print ("Hello from outer function")
    def function2(): # inner function
        print ("Hello from inner function")
    function2()

function1()