def lower_ctr(str):
      
      lower_ctr= 0
      for i in range(len(str)):
          if str[i] >= 'a' and str[i] <= 'z': lower_ctr += 1     
      return  lower_ctr
def similar_elements(test_tup1, test_tup2):
  
  res = tuple(set(test_tup1) & set(test_tup2))
  return (res) 