Data Programming l: Python

1. Write a program that calculates how much Mary should pay for buying 3 KitKat each worth $2 and 2 Twix chocolate each worth $4.

   Output:

   Mary should pay $14.

2. Write a program that takes the circle radius and compute the circle area. Use the round function to have at most 2 decimal places in the output.

   Output:

   The area of a circle with 4 inches radius is 50.27