A Journey Through a Bachelor of Information Technology Degree

import sys employeeList = {} lstMenuOption = ('1', '2', '3', 'Q') #i = 0 #loop count variable validation = False #initialize validation check to "False" menuSelection = None numEmployees = None num = 1 def main_menu():     print('-----------------------------------------------------')     print('(1) Add new employee(s)')     print('(2) View all employees in the database')     print("(3) Check employee's information")     print('(Q) Exit\n')     totalEmployees = len(employeeList) #Display number of employees in the databse     print('There are (%d) in the database' % totalEmployees)     print('-----------------------------------------------------')     option = input('Please select an option from the menu: ')     return option def valid(option): #Function to validate menu selection     if (option.isnumeric() == True):  ...