input: Write a python function to verify whether the specified tuples include the element k.
  assert contains_element((10, 4, 5, 6, 8), 6) == True
  assert contains_element((1, 2, 3, 4, 5, 6), 7) == False
  assert contains_element((7, 8, 9, 44, 11, 12), 11) == True
output: def contains_element(tuples, k):
      return k in tuples