PROGRAM_SPEC.txt

This program is about class-mates. The program will
display a main menu where the user can: 

Add , Update , Delete , Find a class-mate and then 
Exit the program.

Each class-mate will be described by
first name, last name and a role. Umm ... that's it.

The following shows the pseudocode for the entire program.

	Features:
		Show Class mates
			Pretty print all existing records in
			the agreed format
		Add Class mates
			Request inputs (first, last, role)
			Test Validity of inputs
			Check if input already exists
				Print message(Record already exist)
				Reload program
			Add New Record
				Print message
				Show All Records
				reload_app
		Update Class mates
			Request inputs (first, last)
			Test Validity of inputs
			check if inputs exists in a record
				print_record
				ask for input replacements
				test validity of input replacements
				insert input replacements
				print success
				print_records
				reload_app // can't figure out how to reload app
		Find Class mate
			display_sub_menu = {
				'f' : 'First Name'
				'l' : 'Last Name'
				'r' : 'Role'
				'v' : 'Full Name'
			}
			request menu value
			test if input is valid
				request input
					test if input[s] is/are valid
						check if input exists
						print record[s]
				Print input doesn't exist
		Delete Class mates
			request inputs (first, last)
			test validity of input
			check existence of input
				Delete record
				print success message
				Show all class mates
				reload_app
			Print Class mate doesn't exist
				reload_app
		Exit:
			return sys.exit(0)


	Main Program order
		Display main menu
		Ask for input (menu option)
		Test input validity with respect to main menu
		Execute selected path way