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# ------------------------------------------------------------------- # Global variables # ------------------------------------------------------------------- lastName = "" firstName = "" dob = "" myID = "" # ------------------------------------------------------------------- # Subprograms # ------------------------------------------------------------------- # =====> Change the names of the local variables to distinguish them # from the global variables with the same name def makeID (familyName, mainName, birthday): namePart = "" numberPart = 0 namePart = mainName + familyName[0] # Letter part # =====> Correct the logic error caused by using the int() function # in the number part calculation rather than using a function # that returns the ASCII value of the character for character in birthday: numberPart = numberPart + ord(character) yourID = namePart + str(numberPart) return yourID # =====> Add a procedure, with no parameters, to display a # welcome message for the user def welcome(): print("Welcome!") # ------------------------------------------------------------------- # Main program # ------------------------------------------------------------------- # =====> Call the welcome procedure before taking input from the user welcome() # Get last name and first name from the user lastName = input ("Enter your last name: ") firstName = input ("Enter your first name: ") # =====> Convert last name and first name to lowercase after they # are inputted by the user lastName = lastName.lower() firstName = firstName.lower() # Get date of birth from the user dob = input ("Enter your date of birth (ddmmyyyy): ") # =====> Check that only the digits 0 to 9 appear in the date of birth if dob.isdigit() and len(dob) == 8: # =====> Call the makeID() function, if the date of birth is valid myID = makeID(lastName, firstName, dob) print(myID) else: print("Date of birth invalid.")
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