Using "add"

print("Hi, I am Marvin, your personal bot.")
command=input("How can I help you?")
if command=="add":
    print("lets add some numbers")
    input1=input("Number1> ")
    input2=input("Number2> ")
    number1=int(input1)
    number2=int(input2)
    result=number1 + number2
    output=str(result)
    print(input1 + "+" + input2 +"="+output)