


'''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

a_						:       Optional[int]      			=				list(good_file_paths())
assert filepaths, "good_file_paths() failed!"

a_						:       List[str]      			=				[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""")

a_						:       List[str]      			=				[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""")

a_						:       Tuple      			=				[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""")

a_						:       Tuple      			=				[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""")

a_						:       Optional[Any]      			=				len(upper_files + space_files + hyphen_files + nodir_files)
if bad_files:
   import sys

   sys.exit(bad_files)







'''simple docstring'''

def __snake_case      (   UpperCAmelCase_		:		int = 100	):
 lowerCamelCase_  				=						n * (n + 1) * (2 * n + 1) / 6
 lowerCamelCase_  				=						(n * (n + 1) / 2) ** 2
 return int(square_of_sum - sum_of_squares	)


if __name__ == "__main__":
     print(f'''{solution() = }''')



