

from __future__ import annotations







class 			lowercase    :




				def __init__( self				,       snake_case = 0	):
											snake_case_          =   key




				def    a							( self				,       snake_case				,       snake_case	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											snake_case_          =   key or self.__key or 1

											# make sure key is an appropriate size
											key %= 255

											return [chr(ord(snake_case	) ^ key	) for ch in content]




				def    a							( self				,       snake_case				,       snake_case	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											snake_case_          =   key or self.__key or 1

											# make sure key is an appropriate size
											key %= 255

											return [chr(ord(snake_case	) ^ key	) for ch in content]




				def    a							( self				,       snake_case				,       snake_case = 0	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											snake_case_          =   key or self.__key or 1

											# make sure key can be any size
											while key > 255:
																		key -= 255

											# This will be returned
											snake_case_          =   ''

											for ch in content:
																		ans += chr(ord(snake_case	) ^ key	)

											return ans




				def    a							( self				,       snake_case				,       snake_case = 0	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											snake_case_          =   key or self.__key or 1

											# make sure key can be any size
											while key > 255:
																		key -= 255

											# This will be returned
											snake_case_          =   ''

											for ch in content:
																		ans += chr(ord(snake_case	) ^ key	)

											return ans




				def    a							( self				,       snake_case				,       snake_case = 0	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											try:
																		with open(snake_case	) as fin, open('encrypt.out'				,       'w+'	) as fout:
																									# actual encrypt-process
																									for line in fin:
																																fout.write(self.encrypt_string(snake_case				,       snake_case	)	)

											except OSError:
																		return False

											return True




				def    a							( self				,       snake_case				,       snake_case	):
											assert isinstance(snake_case				,       snake_case	) and isinstance(snake_case				,       snake_case	)

											try:
																		with open(snake_case	) as fin, open('decrypt.out'				,       'w+'	) as fout:
																									# actual encrypt-process
																									for line in fin:
																																fout.write(self.decrypt_string(snake_case				,       snake_case	)	)

											except OSError:
																		return False

											return True


# Tests
# crypt = XORCipher()
# key = 67

# # test encrypt
# print(crypt.encrypt("hallo welt",key))
# # test decrypt
# print(crypt.decrypt(crypt.encrypt("hallo welt",key), key))

# # test encrypt_string
# print(crypt.encrypt_string("hallo welt",key))

# # test decrypt_string
# print(crypt.decrypt_string(crypt.encrypt_string("hallo welt",key),key))

# if (crypt.encrypt_file("test.txt",key)):
#       print("encrypt successful")
# else:
#       print("encrypt unsuccessful")

# if (crypt.decrypt_file("encrypt.out",key)):
#       print("decrypt successful")
# else:
#       print("decrypt unsuccessful")







# Lint as: python3
import itertools
import os
import re


_UpperCAmelCase		:       str						    =	re.compile(R"""([A-Z]+)([A-Z][a-z])""")
_UpperCAmelCase		:       Dict						    =	re.compile(R"""([a-z\d])([A-Z])""")

_UpperCAmelCase		:       Dict						    =	re.compile(R"""(?<!_)_(?!_)""")
_UpperCAmelCase		:       Tuple						    =	re.compile(R"""(_{2,})""")

_UpperCAmelCase		:       Any						    =	R"""^\w+(\.\w+)*$"""

_UpperCAmelCase		:       List[str]						    =	R"""<>:/\|?*"""





def  __lowerCamelCase     (			UpperCamelCase__				):







							'''simple docstring'''






							snake_case_          =   _uppercase_uppercase_re.sub(r'\1_\2'       ,							UpperCamelCase__				)
							snake_case_          =   _lowercase_uppercase_re.sub(r'\1_\2'       ,							UpperCamelCase__				)
							return name.lower()





def  __lowerCamelCase     (			UpperCamelCase__				):







							'''simple docstring'''






							snake_case_          =   _single_underscore_re.split(UpperCamelCase__				)
							snake_case_          =   [_multiple_underscores_re.split(UpperCamelCase__				) for n in name]
							return "".join(n.capitalize() for n in itertools.chain.from_iterable(UpperCamelCase__				) if n != ''				)





def  __lowerCamelCase     (			UpperCamelCase__				):







							'''simple docstring'''






							if os.path.basename(UpperCamelCase__				) != name:
														raise ValueError(F'''Should be a dataset name, not a path: {name}'''				)
							return camelcase_to_snakecase(UpperCamelCase__				)





def  __lowerCamelCase     (			UpperCamelCase__       ,							UpperCamelCase__				):







							'''simple docstring'''






							if os.path.basename(UpperCamelCase__				) != name:
														raise ValueError(F'''Should be a dataset name, not a path: {name}'''				)
							if not re.match(_split_re       ,							UpperCamelCase__				):
														raise ValueError(F'''Split name should match \'{_split_re}\'\' but got \'{split}\'.'''				)
							return F'''{filename_prefix_for_name(UpperCamelCase__				)}-{split}'''





def  __lowerCamelCase     (			UpperCamelCase__       ,							UpperCamelCase__       ,							UpperCamelCase__       ,							UpperCamelCase__=None				):







							'''simple docstring'''






							snake_case_          =   filename_prefix_for_split(UpperCamelCase__       ,							UpperCamelCase__				)
							if filetype_suffix:
														prefix += F'''.{filetype_suffix}'''
							snake_case_          =   os.path.join(UpperCamelCase__       ,							UpperCamelCase__				)
							return F'''{filepath}*'''





def  __lowerCamelCase     (			UpperCamelCase__       ,							UpperCamelCase__       ,							UpperCamelCase__       ,							UpperCamelCase__=None       ,							UpperCamelCase__=None				):







							'''simple docstring'''






							snake_case_          =   filename_prefix_for_split(UpperCamelCase__       ,							UpperCamelCase__				)
							snake_case_          =   os.path.join(UpperCamelCase__       ,							UpperCamelCase__				)

							if shard_lengths:
														snake_case_          =   len(UpperCamelCase__				)
														snake_case_          =   [F'''{prefix}-{shard_id:05d}-of-{num_shards:05d}''' for shard_id in range(UpperCamelCase__				)]
														if filetype_suffix:
																					snake_case_          =   [filename + F'''.{filetype_suffix}''' for filename in filenames]
														return filenames
							else:
														snake_case_          =   prefix
														if filetype_suffix:
																					filename += F'''.{filetype_suffix}'''
														return [filename]




