text: from typing import Dict, List
  
  
  values: Dict[str, int] = {
      "black": 0,
      "brown": 1,
      "red": 2,
      "orange": 3,
      "yellow": 4,
      "green": 5,
      "blue": 6,
      "violet": 7,
      "grey": 8,
      "white": 9,
  }
  
  
  def value(colors: List[str]) -> int:
      return values[colors[0]] * 10 + values[colors[1]]
  