input: from typing import List
  
  def contains_words(input_string: str, words: List[str]) -> bool:
      """ Check if the input string contains all the words in the given list.
      
      >>> contains_words('This is a test', ['test', 'this', 'is'])
      True
      >>> contains_words('Hello world', ['hello', 'world'])
      True
      >>> contains_words('Python is fun', ['python', 'coding'])
      False
      """
      for word in words:
          if word.lower() not in input_string.lower():
              return False
      return True
output:     for word in words:
          if word.lower() not in input_string.lower():
              return False
      return True