while (run): print("\n1. New Vehicle Registration") print("2. Auto Transaction") print("3. Driver License Registration") print("4. Violation Record") print("5. Search Engine") selection = input("Please select your program number or 'exit':\n") try: digit = int(selection) if digit == 1: P1.regV(conString) elif digit == 2: P2.AutoTransaction(conString) elif digit == 3: P3.DriverLiRegis(conString) elif digit == 4: P4.violation(conString) elif digit == 5: P5.search_engine(conString) else: print("Must be between 1 and 5") except ValueError: if selection == 'exit': run = False else: print("Please enter a digit or 'exit'")