quitvariable = 0

while quitvariable != 4:
    print("*** Menu ***\n")
    print("1. Convert to binary")
    print("2. Convert to decimal")
    print("3. Binary Counting")
    print("4. Quit\n")
    user = input("What would you like to do [1, 2, 3, 4] ?")

    if user == "1":
        input1 = input("Please enter number: ")

    elif user == "2":
        print("In command 2 - convert to decimal")

    elif user == "3":
        print("In command 3 - binary counting")

    elif user == "4":
        quitvariable = 4
        print("\nGoodbye")