Write a simple calculator program in Python. Follow the steps below: a. Declare and define a function named Menu which displays a list of choices for user such as addition, subtraction, multiplication, & classic division. It takes the choice from user as an input and return. b. Define and declare a separate function for each choice. c. In the main body of the program call respective function depending on users choice. d. Program should not terminate till user chooses option to Quit.

2. Implement the following functions for the calculator you created in the above Task a. Factorial b. x_power_y (x raised to the power y) c. log d. ln (Natural log)