def editStudentRecord(): #Menu option 2 - Edit existing student info
    checkForStudent = (input("Enter the student number: (FORMAT-S0000) >"))

    if checkForStudent in STUDENT_INFO_DICTIONARY.keys():
        print("Records for student: ", checkForStudent , " available.")
        print(STUDENT_INFO_DICTIONARY[checkForStudent])
    while True: #Gather student information from the user
        tempForename = input("Enter students forename: >")
        tempSurname = input("Enter students surname: >")

        while True:
            print("NOTE: Information entered as a number between 0.0 and 100.0 ONLY!!")
            tempMark1 = float(input("Enter students Mark for Assessment 1: >"))
            tempMark2 = float(input("Enter students Mark for Assessment 2: >"))
            tempMark3 = float(input("Enter students Mark for Assessment 3: >"))
            tempAverage = ((tempMark1 + tempMark2 + tempMark3)/3)
            if (tempMark1 >= 0 and tempMark1 <= 100 and tempMark2 >= 0 and tempMark2 <= 100 and tempMark3 >= 0 and tempMark3 <= 100):
                break
            else:
                print("Invalid marking information! Please re-enter correctly.")

        print("Information entered for new student: Forename-",tempForename," Surname-",tempSurname," Assessment 1-",tempMark1," Assessment 2-",tempMark2," Assessment 3- ",tempMark3," Average -",tempAverage,"%")
        confirmInfo = input("Please confirm information is correct (Y/N): >").upper()

        if (confirmInfo == "Y"):
            STUDENT_INFO_DICTIONARY[checkForStudent] = {(tempForename, tempSurname, str(tempMark1), str(tempMark2), str(tempMark3), str(tempAverage),"%")}
            print("Information on the student has been stored! Press enter to return to main menu.")
            return False
        elif (confirmInfo == "N"):
            print("Please re-enter information correctly.")
        else:
            print("Invalid option! Please re-enter information correctly")
    else:
        print("Student NOT on system! Press enter to return to main menu.")
    input()