def find_character(string):
  import re
  
  uppercase_characters = re.findall(r"[A-Z]", string) 
  lowercase_characters = re.findall(r"[a-z]", string) 
  numerical_characters = re.findall(r"[0-9]", string) 
  special_characters = re.findall(r"[, .!?]", string) 
  return uppercase_characters, lowercase_characters, numerical_characters, special_characters
def similar_elements(test_tup1, test_tup2):
  
  res = tuple(set(test_tup1) & set(test_tup2))
  return (res) 