input: Write a function to determine if the first string contains the second string. If it contains, return True else return False. If either string is empty, return False.
  def check_contains(query, word):
      if not query or not word:
          return False
      return word in query
  
  assert check_contains("catering", "cat")==True
  assert check_contains("catering", "dog")==False
  assert check_contains("catering", "")==False
  assert check_contains("", "cat")==False
  assert check_contains("", "")==False
output: def check_contains(query, word):
      if not query or not word:
          return False
      return word in query