




import numpy as np

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	np.array					):


      '''simple docstring'''



      return (2 / (1 + np.exp(-2 * vector					))) - 1


if __name__ == "__main__":
 import doctest

 doctest.testmod()









def       _SCREAMING_SNAKE_CASE      (							lowercase     :	str     ,							lowercase     :	int					):


      '''simple docstring'''



      return [sentence[i : i + ngram_size] for i in range(len(lowercase					) - ngram_size + 1					)]


if __name__ == "__main__":
 from doctest import testmod

 testmod()



