





"""simple docstring"""
# Lint as: python3
import dataclasses
import re
from dataclasses import dataclass
from functools import total_ordering
from typing import Optional, Union


__UpperCamelCase     :						int						       =  re.compile(R'''^(?P<major>\d+)''' R'''\.(?P<minor>\d+)''' R'''\.(?P<patch>\d+)$''')







@total_ordering
@dataclass
class       a							:
 snake_case__             =       42
 snake_case__             =       None
 snake_case__             =       None
 snake_case__             =       None
 snake_case__             =       None



 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  lowerCAmelCase				,lowerCAmelCase				,lowerCAmelCase    				= _str_to_version_tuple(self.version_str     )



 def __repr__(     self     ):







  """simple docstring"""






  return F'{self.tuple[0]}.{self.tuple[1]}.{self.tuple[2]}'



 @property
 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  return self.major, self.minor, self.patch



 def    UpperCamelCase__  (     self				,       _snake_case     ):







  """simple docstring"""






  if isinstance(_snake_case				,       _snake_case     ):
   return Version(_snake_case     )
  elif isinstance(_snake_case				,       _snake_case     ):
   return other
  raise TypeError(F'{other} (type {type(_snake_case     )}) cannot be compared to version.'     )



 def __eq__(     self				,       _snake_case     ):







  """simple docstring"""






  try:
   lowerCAmelCase    				= self._validate_operand(_snake_case     )
  except (TypeError, ValueError):
   return False
  else:
   return self.tuple == other.tuple



 def __lt__(     self				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= self._validate_operand(_snake_case     )
  return self.tuple < other.tuple



 def __hash__(     self     ):







  """simple docstring"""






  return hash(_version_tuple_to_str(self.tuple     )     )



 @classmethod
 def    UpperCamelCase__  (     cls				,       _snake_case     ):







  """simple docstring"""






  lowerCAmelCase    				= {f.name for f in dataclasses.fields(cls     )}
  return cls(**{k: v for k, v in dic.items() if k in field_names}     )



 def    UpperCamelCase__  (     self     ):







  """simple docstring"""






  return self.version_str


def 		_SCREAMING_SNAKE_CASE			(_UpperCAmelCase					:    Union[str, Any]			):
 lowerCAmelCase    				= _VERSION_REG.match(_UpperCAmelCase			)
 if not res:
  raise ValueError(F'Invalid version \'{version_str}\'. Format should be x.y.z with {{x,y,z}} being digits.'			)
 return tuple(int(_UpperCAmelCase			) for v in [res.group('major'			), res.group('minor'			), res.group('patch'			)]			)




def 		_SCREAMING_SNAKE_CASE			(_UpperCAmelCase					:    Union[str, Any]			):
 return ".".join(str(_UpperCAmelCase			) for v in version_tuple			)











"""simple docstring"""






import qiskit







def 	_snake_case     (							lowercase__ = 2						):
				_lowerCamelCase	:     Optional[Any]       =       qubits

				# Using Aer's simulator
				_lowerCamelCase	:     Dict       =       qiskit.Aer.get_backend('aer_simulator'						)

				# Creating a Quantum Circuit acting on the q register
				_lowerCamelCase	:     Dict       =       qiskit.QuantumCircuit(lowercase__				,       lowercase__						)

				# Adding a H gate on qubit 0 (now q0 in superposition)
				circuit.h(0						)

				for i in range(1				,       lowercase__						):
								# Adding CX (CNOT) gate
								circuit.cx(i - 1				,       lowercase__						)

				# Mapping the quantum measurement to the classical bits
				circuit.measure(list(range(lowercase__						)						)				,       list(range(lowercase__						)						)						)

				# Now measuring any one qubit would affect other qubits to collapse
				# their super position and have same state as the measured one.

				# Executing the circuit on the simulator
				_lowerCamelCase	:     Optional[Any]       =       qiskit.execute(lowercase__				,       lowercase__				,       shots=1000						)

				return job.result().get_counts(lowercase__						)


if __name__ == "__main__":
			print(F"Total count for various states are: {quantum_entanglement(3)}")