human
5 [1] Nesting functions"
Please write code following the instructions in jupyter notebook style.
 ... What is a code to 5 [1] Nesting functions and the other steps required?
assistant
#Here is code to 5 [1] Nesting functions and the other steps required.

def outter():
    def inner():
        print('Hello world')
    inner()
    
outter()