




def 				lowerCAmelCase_	(     snake_case_,snake_case_     ):
      _A							:     int			=						len(snake_case_     )
      _A							:     int			=						len(snake_case_     )
      _A							:     int			=						(
          first_str_length if first_str_length > second_str_length else second_str_length
      )
      _A							:     list			=						[]
      for char_count in range(snake_case_     ):
            if char_count < first_str_length:
                  output_list.append(first_str[char_count]     )
            if char_count < second_str_length:
                  output_list.append(second_str[char_count]     )
      return "".join(snake_case_     )


if __name__ == "__main__":
  print(alternative_string_arrange("AB", "XYZ"), end=" ")






"""simple docstring"""






import re


def 			_lowercase				(  __snake_case	)						->   str:

			if len(re.findall("[ATCG]"					,__snake_case	)	) != len(__snake_case	):
						raise ValueError("Invalid Strand"	)

			return dna.translate(dna.maketrans("ATCG"					,"TAGC"	)	)


if __name__ == "__main__":
	import doctest

	doctest.testmod()