input: Write a function to check if the first string contains the second string. Return True if it does and False otherwise.
  def check_contains(query, word): 
      if query.find(word) != -1:
          return True
      return False
  
  assert check_contains("catering", "cat")==True
  assert check_contains("hohoho", "ho")==True
  assert check_contains("hello world", "world")==True
  assert check_contains("lightning", "thin")==True
  assert check_contains("programming", "program")==True
  assert check_contains("success", "fail")==False
  assert check_contains("verdict", "secondly")==False
  assert check_contains("", "any")==False
output: def check_contains(query, word): 
      if query.find(word) != -1:
          return True
      return False