choice = 0
looping = True

while looping == True:
    print ("Welcome to calculator.py")
    print ("1) Addition")
    print ("2) Subtraction")
    print ("3) Multiplication")
    print ("4) Division")
    print ("5) Exit")
    print (" ")
    choice = int(input("what is your choice: "))
    if choice == 1:
        test = 'lol'
        add1 = int(input("this: "))
        add2 = int(input("this: "))
        print(add1+add2)
    elif choice == 2:
        sub2 = int(input("Subtract this: "))
        sub1 = int(input("from this: "))
        print (sub1, "-", sub2, "=",sub1 - sub2)
    elif choice == 3:
        mul1 = int(input("Multiply this: "))
        mul2 = int(input("with this: "))
        print (mul1,"*",mul2,"=",mul1 * mul2)
    elif choice == 4:
        div1 = int(input("Divide this: "))
        div2 = int(input("by this: "))
        print(div1,"/",div2,"=",div1 / div2)
    elif choice == 5:
        looping = False
        print("Goodbye")