
"""simple docstring"""



from math import pi, sqrt


def  _UpperCamelCase	(						_A      )    ->  float:

    if num <= 0:
        raise ValueError("""math domain error"""      )
    if num > 171.5:
        raise OverflowError("""math range error"""      )
    elif num - int(_A      ) not in (0, 0.5):
        raise NotImplementedError("""num must be an integer or a half-integer"""      )
    elif num == 0.5:
        return sqrt(_A      )
    else:
        return 1.0 if num == 1 else (num - 1) * gamma(num - 1      )


def  _UpperCamelCase	(						)    ->  None:
    assert gamma(0.5      ) == sqrt(_A      )
    assert gamma(1      ) == 1.0
    assert gamma(2      ) == 1.0


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

 testmod()
 a					:	int							=		1.0
 while num:
  a					:	Tuple							=		float(input('''Gamma of: '''))
  print(F"gamma({num}) = {gamma(num)}")
  print('''\nEnter 0 to exit...''')

"""simple docstring"""



import re

from filelock import FileLock


try:
 import nltk

 a					:	str							=		True
except (ImportError, ModuleNotFoundError):
 a					:	List[str]							=		False

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


def  _UpperCamelCase	(						_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      )      )