Part1a) (2pt) Submit a Design (in WORD) for a Python program that does different calculations based on a choice from a menu.

Display a menu of choices (at least 2, no more than 4) and prompts the user to choose. Your menu should be descriptive of what each choice does.

Validate the user input for the menu choice and re-prompt if invalid. The program must include an if statement that performs different computations based on the menu choice.

Each choice must prompt for one or two numbers that are input from the user. Do some calculation and display the result.

Also include a TestPlan with two test cases.

Part1b)(4pt) Create a Python program that does satisfies the requirements above.