


'''simple docstring'''







import os

try:
 from .build_directory_md import good_file_paths
except ImportError:
 from build_directory_md import good_file_paths  # type: ignore

SCREAMING_SNAKE_CASE_      =			list(good_file_paths())
assert filepaths, "good_file_paths() failed!"

SCREAMING_SNAKE_CASE_      =			[file for file in filepaths if file != file.lower()]
if upper_files:
 print(f"""{len(upper_files)} files contain uppercase characters:""")
 print('\n'.join(upper_files) + '\n')

SCREAMING_SNAKE_CASE_      =			[file for file in filepaths if ' ' in file]
if space_files:
 print(f"""{len(space_files)} files contain space characters:""")
 print('\n'.join(space_files) + '\n')

SCREAMING_SNAKE_CASE_      =			[file for file in filepaths if '-' in file]
if hyphen_files:
 print(f"""{len(hyphen_files)} files contain hyphen characters:""")
 print('\n'.join(hyphen_files) + '\n')

SCREAMING_SNAKE_CASE_      =			[file for file in filepaths if os.sep not in file]
if nodir_files:
 print(f"""{len(nodir_files)} files are not in a directory:""")
 print('\n'.join(nodir_files) + '\n')

SCREAMING_SNAKE_CASE_      =			len(upper_files + space_files + hyphen_files + nodir_files)
if bad_files:
 import sys

 sys.exit(bad_files)










'''simple docstring'''







from math import pi, sqrt




def        __lowercase						(      __SCREAMING_SNAKE_CASE		)				->					float:
     """simple docstring"""




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




def        __lowercase						(      )				->					None:
     """simple docstring"""




     assert gamma(0.5		) == sqrt(__SCREAMING_SNAKE_CASE		)
     assert gamma(1		) == 1.0
     assert gamma(2		) == 1.0


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

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






