def concatenate_tuple(test_tup):
    
    delim = "-"
    res = ''.join([str(ele) + delim for ele in test_tup])
    res = res[ : len(res) - len(delim)]
    return (str(res)) 
def similar_elements(test_tup1, test_tup2):
  
  res = tuple(set(test_tup1) & set(test_tup2))
  return (res) 