write a python program to Find the square of a number using a function declaration using the return statement. code example

Example: how to make a square in python

import turtle


turtle.begin_fill()
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.end_fill()
turtle.right(145)
turtle.forward(50)