4.9 Reusing code in your bot

def do_calculation():

  print("lets " + command + " some numbers")

  input1 = input("Number1>")
  input2 = input("Number2>")
  number1 = int(input1)
  number2 = int(input2)

  if command == "add":
    result = number1 + number2

  elif command == "subtract":
    result = number1 - number2

  elif command == "divide":
    result = number1 / number2

  elif command == "multiply":
    result = number1 * number2

  elif command == "averaging":
    result = number1 + number2 / 2

  output = str(result)

  if command == "add":
    print(input1 + "+" + input2 + "=" + output)

  elif command == "subtract":
    print(input1 + "-" + input2 + "=" + output)

  elif command == "divide":
    print(input1 + "/" + input2 + "=" + output)

  elif command == "multiply":
    print(input1 + "*" + input2 + "=" + output)

  elif command == "averaging":
    print (input1 + "+" + input2 + "/2" + output)


finished = False
while finished == False:
  print ("Hi, I am Marvin, your personal bot.")
  command = input("How can I help?")

  if command == "add":
    do_calculation()
  elif command == "subtract":
    do_calculation()
  elif command == "divide":
    do_calculation()
  elif command == "multiply":
    do_calculation()
  elif command == "averaging":
    do_calculation()
  elif command == "bye":
    finished == True
    break
  else:
    print("Sorry I can't help you with that")