Create a Shell Script: Write a program which performs  two functions:             add             sub   The function add, ads two numbers and the function sub subtracts two numbers. Prompt the user for two numbers and whether they want to add or subtract. Perform the operation requested by the user and display the results. Requirements: Validate user input: If the user types a value that is not what was prompted for, print a message and return to prompting the user for the two numbers and the type of operation requested The script must run without errors regardless of what the user inputs Extra credits for writing and using shell script functions in the program Use of man pages is encouraged

JAVA PROGRAMMING Nested If Statements - Program #1 You are the owner of the Body and Soul Exercise Spa. You need a program to calculate the membership fees for each new customer. Fee will be based on the number of months the customer enrolls. Program Specifications: Create a folder named Nested If Program 01. Save the Java file as Membership. a. b. Input consist of the customer's number, name, and months enrolled. It will be entered from the keyboard. Sample input data is illustrated on the next page. This program will process one record and only one record at a time. The membership cost of the spa is calculated as following: If the customer enrolls for 12 months or less, the spa charges $30 per month, $25 per month if you enroll for more than 12 months or 24 months or less, and $20 per month if you enrolled for more than 24 months. с. d. The output will consist customer's number, name, months enrolled, the monthly fee, and the total fee for the entire membership period. Display the…

Create the pseudocode for a program that will Create a file of functions and place them into a functions.py file Make a new program called CallFunctions and import the functions.py file Call each of the functions in the functions file