new_contents: """Binomial Cofficients
  
  Binomial Coefficient of m taking k, 
  C(m, k) = m!(m - k)!/k!
  """
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  
  def binomial_cofficient(m, k):
      """Binomial coefficien of m taking k.
  
      Note there is a recursion relationship:
      C(m, k) = C(m - 1, k - 1) + C(m - 1, k)
      which represents C(m, k) is the sum of choosing and not choosing item m.
      """
      pass
  
  
  def main():
      pass
  
  
  if __name__ == '__main__':
      main()
  
subject: Add alg_binomial_coefficients.py