add and subtract

print ("Hi, my name is Lisa, our personal bot.")
command = input("How can I help? Would you like to add or subtract?")
if command == "add" or command == "plus":
  print ("Wonderful. I will need the numbers you would like to add.")
  input1 = input("Number 1>")
  input2 = input("Number 2>")
  number1 = int(input1)
  number2 = int(input2)
  result = number1 + number2
  output = str(result)
  print (input1 + "+" + input2 + "=" + output)
elif command == "subtract" or command == "minus":
  print ("Wonderful. I will need the numbers you would like to subtract")
  input1 = input("Number 1>")
  input2 = input("Number 2>")
  number1 = int(input1)
  number2 = int(input2)
  result = number1 - number2
  output = str(result)
  print (input1 + "-" + input2 + "=" + output)
else:
  print ("I am sorry I did not understand")