1. Write python programs that uses nested loops to draw the following paterns: 1 2 1 2 3 1 234 12 345 te Functions: def function name(parameters) ww"docstring statement(s) The first string after the function header is called the docstring and is short for documentation string. It is used to explain in brief, what a function does. This string is available to us as doc attribute of the function >>>print(function name. doc )