print("Welcome to Aguilaair Utilities!")
print("Loading...")
print("Loaded!")
print("NOTE: KNOWN BUG - When clicking enter in the activity chooser it redirects to lesson chooser. ")
print("V1.18")
print("Please logon")
User = True
Lesson=True
ans=True
while User:
    User = input ("Username: ")
    if User == "TEST":
        print ("Welcome, {0} to Aguilaair Utilities!".format(User))
        print ("Python Lesson 1")
        print("Menu:")
        while Lesson:
            print("""
            1.Lesson 1
            2.Logout
            3.Exit
            """)
            Lesson=input("What would you like to do? ")
            while ans:
                print("""
        1.Three number addition
        2.4 Number average
        3.Bill divider
        4.Area calculator
        5.Volume calculator
        6.Volume diference
        7.Sweet divider
        8.Lesson chooser
        9.Logout
       10.Exit
                """)
                ans=input("What would you like to do? ")
                if ans=="1":
                      print("You have chosen, Three number addition!")
                      num1_1 = int(input ("Number 1:"))
                      num2_1 = int(input ("Number 2:"))
                      num3_1 = int(input ("Number 3:"))

                      TOTAL1 = num1_1 + num2_1 + num3_1

                      print ("Total is {0}!".format(TOTAL1))

                      print ("###############FINISH###############")
                elif ans=="2":
                      print("You have chosen, Four number average!")
                      num1_2 = int(input ("Number 1:"))
                      num2_2 = int(input ("Number 2:"))
                      num3_2 = int(input ("Number 3:"))
                      num4_2 = int(input ("Number 4:"))

                      TOTAL2 = num1_2 / 4 + num2_2 / 4 + num3_2 / 4 + num4_2 / 4

                      print ("Average is {0}!".format(TOTAL2))

                      print ("###############FINISH###############")
                elif ans=="3":
                      print("You have chosen, Bill Divider!")
                      num1_3 = int(input ("Total Bill: "))
                      num2_3 = int(input ("Number of people: "))


                      TOTAL3 = num1_3 / num2_3

                      print ("Each one of you have to pay {0}!".format(TOTAL3))

                      print ("###############FINISH###############")

                elif ans=="4":
                      print("You have chosen, Area calculator!")
                      num1_4 = int(input ("Width: "))
                      num2_4 = int(input ("Length: "))


                      TOTAL4 = num1_4 * num2_4

                      print ("Area is {0} !".format(TOTAL4))

                      print ("###############FINISH###############")

                elif ans=="5":
                      print("You have chosen, Volume calculator!")
                      print("WARNING: ONY CUBOIDS")
                      num1_5 = int(input ("Width: "))
                      num2_5 = int(input ("Length: "))
                      num3_5 = int(input ("Depth:"))


                      TOTAL5 = num1_5 * num2_5 * num3_5

                      print ("Volume is {0}!".format(TOTAL5))

                      print ("###############FINISH###############")

                elif ans=="6":
                      print("You have chosen, Volume diference!")
                      print("WARNING: ONY CUBOIDS")
                      print ("····Small Cube····")
                      num1_6 = int(input ("Width: "))
                      num2_6 = int(input ("Length: "))
                      num3_6 = int(input ("Depth:"))
                      print ("····Big Cube····")
                      num4_6 = int(input ("Width: "))
                      num5_6 = int(input ("Length: "))
                      num6_6 = int(input ("Depth:"))


                      TOTAL6_1 = num1_6 * num2_6 * num3_6
                      TOTAL6_2 = num4_6 * num5_6 * num6_6
                      TOTAL6 = TOTAL6_2 - TOTAL6_1

                      print ("Volume diference is {0}!".format(TOTAL6))

                      print ("###############FINISH###############")

                elif ans=="7":
                      print("You have chosen, Sweet divider!")
                      num1_7 = int(input ("Sweets: "))
                      num2_7 = int(input ("People: "))


                      TOTAL7_1 = num1_7 // num2_7
                      TOTAL7_2 = num1_7 % num2_7


                      print ("Each person should have {0} sweets and {1} left over!".format(TOTAL7_1, TOTAL7_2))

                      print ("###############FINISH###############")

                elif ans=="8":
                    print ("Choosing lesson...")
                    ans = None
                elif ans=="9":
                    print ("Loging out...")
                    ans = None
                    Lesson = None
                elif ans=="10":
                    print ("Closing...")
                    ans = None
                    Lesson = None
                    User = None
                else:
                    print("Not Valid Choice Try again.")

        elif Lesson == "2":
            print ("Logging out...")
            Lesson = None
        elif Lesson == "3":
            print ("Closing...")
            ans = None
            Lesson = None
            User = None
        else:
            print("Not a valid lesson")
    else:
        print ("User not whitelisted!")