Python

Write a program which gives the option between doing 3 things:

1) Add two numbers

2) Multiply three numbers

3) Multiply a number and a string

Ask the user to choose an option. Output Invalid option if the user enters something apart from 1, 2 or 3. Otherwise depending on what the user enters ask the user again for inputs to perform the required choice and output the answer.

Sample program output 1: You can choose between: 1) Adding two numbers 2) Multiplying three numbers 3) Multiplying a number and a string Please choose an option: 2 Please enter number 1: 2 Please enter number 2: 3 Please enter number 3: 5 The answer is 30