




"""simple docstring"""

import re






def 		_snake_case	(   _snake_case				:   str				)       ->   str:






      '''simple docstring'''


      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()







def        __UpperCAmelCase						(							lowerCamelCase_ :     List[str]  ,							lowerCamelCase_ :     Optional[Any]  )       ->  int:







			"""simple docstring"""





			SCREAMING_SNAKE_CASE_   : List[Any]					  =      [0 for i in range(r + 1  )]
			# nc0 = 1
			SCREAMING_SNAKE_CASE_   : Dict					  =      1
			for i in range(1  ,							n + 1  ):
						# to compute current row from previous row.
						SCREAMING_SNAKE_CASE_   : Optional[int]					  =      min(lowerCamelCase_  ,							lowerCamelCase_  )
						while j > 0:
									c[j] += c[j - 1]
									j -= 1
			return c[r]




print(binomial_coefficient(n=10, r=5))



