


"""simple docstring"""







import re

from filelock import FileLock


try:
 import nltk

 __lowercase    					=      True
except (ImportError, ModuleNotFoundError):
 __lowercase    					=      False

if NLTK_AVAILABLE:
 with FileLock(""".lock""") as lock:
  nltk.download("""punkt""", quiet=True)


def      lowercase			(				A_       )->      str:
  '''simple docstring'''







  re.sub("<n>"  ,   ""  ,   A_       )  # remove pegasus newline char
  assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
  return "\n".join(nltk.sent_tokenize(A_       )       )










"""simple docstring"""







from bisect import bisect
from itertools import accumulate


def      lowercase			(				A_  ,   A_  ,   A_  ,   A_       )->      Union[str, Any]:
  '''simple docstring'''







  a						:		Any      							=			sorted(zip(A_  ,   A_       )  ,   key=lambda A_       : x[0] / x[1]  ,   reverse=A_       )
  a							,		a						:		int      							=			[i[0] for i in r], [i[1] for i in r]
  a						:		Union[str, Any]      							=			list(accumulate(A_       )       )
  a						:		Optional[Any]      							=			bisect(A_  ,   A_       )
  return (
      0
      if k == 0
      else sum(vl[:k]       ) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
      if k != n
      else sum(vl[:k]       )
  )


if __name__ == "__main__":
 import doctest

 doctest.testmod()






