Q2: complete the function that returns the area of a circle with radius r, note, use math.pi for pi. In [3]: N import math def circle_area(r): "*"calculate the area given radius r, use the variable named 'area' to hold and return the correct value # your code here return area

A function is a process or task that does some operation in the program. Some programming languages may contain built-in functions for certain commonly used tasks. Most programming languages also support user-defined functions, which means a user can wri…