
class 	UpperCAmelCase_ (snake_case__							):
	"""simple docstring"""

	pass





class 	UpperCAmelCase_ (snake_case__							):
	"""simple docstring"""

	pass





class 	UpperCAmelCase_ :
	"""simple docstring"""

	def __init__(     self:     Optional[int]			):
								_lowerCAmelCase :Optional[int]      	=						[
								    [],
								    [],
								    [],
								]







	def       SCREAMING_SNAKE_CASE__     (     self:     List[Any]							,   _UpperCAmelCase:     int							,   _UpperCAmelCase:     int			):
								try:
															if len(self.queues[priority]			) >= 100:
																						raise OverflowError('Maximum queue size is 100'			)
															self.queues[priority].append(snake_case_			)
								except IndexError:
															raise ValueError('Valid priorities are 0, 1, and 2'			)







	def       SCREAMING_SNAKE_CASE__     (     self:     Tuple			):
								for queue in self.queues:
															if queue:
																						return queue.pop(0			)
								raise UnderFlowError('All queues are empty'			)







	def __str__(     self:     List[Any]			):
								return "\n".join(f"""Priority {i}: {q}""" for i, q in enumerate(self.queues			)			)





class 	UpperCAmelCase_ :
	"""simple docstring"""

	def __init__(     self:     Dict			):
								_lowerCAmelCase :Any      	=						[]







	def       SCREAMING_SNAKE_CASE__     (     self:     int							,   _UpperCAmelCase:     int			):
								if len(self.queue			) == 100:
															raise OverFlowError('Maximum queue size is 100'			)
								self.queue.append(snake_case_			)







	def       SCREAMING_SNAKE_CASE__     (     self:     List[Any]			):
								if not self.queue:
															raise UnderFlowError('The queue is empty'			)
								else:
															_lowerCAmelCase :Optional[int]      	=						min(self.queue			)
															self.queue.remove(snake_case_			)
															return data







	def __str__(     self:     Dict			):
								return str(self.queue			)







def   UpperCamelCase_(					):


							"""simple docstring"""





							_lowerCAmelCase :int      	=						FixedPriorityQueue()
							fpq.enqueue(0	,    10      )
							fpq.enqueue(1	,    70      )
							fpq.enqueue(0	,    100      )
							fpq.enqueue(2	,    1      )
							fpq.enqueue(2	,    5      )
							fpq.enqueue(1	,    7      )
							fpq.enqueue(2	,    4      )
							fpq.enqueue(1	,    64      )
							fpq.enqueue(0	,    128      )
							print(__lowerCamelCase      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(__lowerCamelCase      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )
							print(fpq.dequeue()      )







def   UpperCamelCase_(					):


							"""simple docstring"""





							_lowerCAmelCase :Union[str, Any]      	=						ElementPriorityQueue()
							epq.enqueue(10      )
							epq.enqueue(70      )
							epq.enqueue(100      )
							epq.enqueue(1      )
							epq.enqueue(5      )
							epq.enqueue(7      )
							epq.enqueue(4      )
							epq.enqueue(64      )
							epq.enqueue(128      )
							print(__lowerCamelCase      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(__lowerCamelCase      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )
							print(epq.dequeue()      )


if __name__ == "__main__":
						fixed_priority_queue()
						element_priority_queue()




from __future__ import annotations






class     __a			:



	def __init__(    self				:     Optional[int]					,						snake_case_				:     int = 0)->				List[str]:
						__lowerCAmelCase						 =key



	def 		UpperCamelCase				(    self				:     Any					,						snake_case_				:     str					,						snake_case_				:     int)->				list[str]:
						assert isinstance(snake_case_					,						snake_case_) and isinstance(snake_case_					,						snake_case_)

						__lowerCAmelCase						 =key or self.__key or 1

						# make sure key is an appropriate size
						key %= 2_55

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



	def 		UpperCamelCase				(    self				:     Tuple					,						snake_case_				:     str					,						snake_case_				:     int)->				list[str]:
						assert isinstance(snake_case_					,						snake_case_) and isinstance(snake_case_					,						snake_case_)

						__lowerCAmelCase						 =key or self.__key or 1

						# make sure key is an appropriate size
						key %= 2_55

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



	def 		UpperCamelCase				(    self				:     str					,						snake_case_				:     str					,						snake_case_				:     int = 0)->				str:
						assert isinstance(snake_case_					,						snake_case_) and isinstance(snake_case_					,						snake_case_)

						__lowerCAmelCase						 =key or self.__key or 1

						# make sure key can be any size
						while key > 2_55:
											key -= 2_55

						# This will be returned
						__lowerCAmelCase						 =""""""

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

						return ans



	def 		UpperCamelCase				(    self				:     Tuple					,						snake_case_				:     str					,						snake_case_				:     int = 0)->				str:
						assert isinstance(snake_case_					,						snake_case_) and isinstance(snake_case_					,						snake_case_)

						__lowerCAmelCase						 =key or self.__key or 1

						# make sure key can be any size
						while key > 2_55:
											key -= 2_55

						# This will be returned
						__lowerCAmelCase						 =""""""

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

						return ans



	def 		UpperCamelCase				(    self				:     int					,						snake_case_				:     str					,						snake_case_				:     int = 0)->				bool:
						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 		UpperCamelCase				(    self				:     Tuple					,						snake_case_				:     str					,						snake_case_				:     int)->				bool:
						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")




