def position_max(list1):
    
    max_val = max(list1)
    max_result = [i for i, j in enumerate(list1) if j == max_val]
    return max_result
def similar_elements(test_tup1, test_tup2):
  
  res = tuple(set(test_tup1) & set(test_tup2))
  return (res) 