PYTHON - Simple Calculator

PYTHON - Simple Calculator



print("RoCk StAr DeViL")
while True:
  print("Options:")
  print("Enter 'add' to add two numbers")
  print("Enter 'subtract' to subtract two numbers")
  print("Enter 'multiply' to multiply two numbers")
  print("Enter 'divide' to divide two numbers")
  print("Enter 'quit' to end the program")
  user_input = input(":")
  if user_input == "quit":
    break
  elif user_input == "add":
    num1 = float(input("Enter a number: "))
    num2 = float(input("Enter another number: "))
    result = str(num1 + num2)
    print("The answer is " + result)
  elif user_input == "multiply":
    num1 = float(input("Enter a number: "))
    num2 = float(input("Enter another number: "))
    result = str(num1 * num2)
    print("The answer is " + result)
  elif user_input == "subtract":
    num1 = float(input("Enter a number: "))
    num2 = float(input("Enter another number: "))
    result = str(num1 - num2)
    print("The answer is " + result)
  elif user_input == "divide":
    num1 = float(input("Enter a number: "))
    num2 = float(input("Enter another number: "))
    result = str(num1 / num2)
    print("The answer is " + result)
  elif user_input != "add" or "subtract" or "mulitply" or "divide" or "quit":
    print("Please enter a valid option.")


















EXAMPLE -