






import importlib
import os
import sys


# This is required to make the module import works (when the python process is running from the root of the repo)
sys.path.append(""".""")
def      a_ (      _A  )			->			Optional[Any]:







				"""simple docstring"""
				snake_case__									=     test_file.split(os.path.sep  )
				if components[0:2] != ["tests", "models"]:
								raise ValueError(
								    '`test_file` should start with `tests/models/` (with `/` being the OS specific path separator). Got '
								    f'''{test_file} instead.'''  )
				snake_case__									=     components[-1]
				if not test_fn.endswith('py'  ):
								raise ValueError(f'''`test_file` should be a python file. Got {test_fn} instead.'''  )
				if not test_fn.startswith('test_modeling_'  ):
								raise ValueError(
								    f'''`test_file` should point to a file name of the form `test_modeling_*.py`. Got {test_fn} instead.'''  )

				snake_case__									=     components[:-1] + [test_fn.replace('.py'      ,   ''  )]
				snake_case__									=     '.'.join(_A  )

				return test_module_path
def      a_ (      _A  )			->			Optional[Any]:







				"""simple docstring"""
				snake_case__									=     get_module_path(_A  )
				snake_case__									=     importlib.import_module(_A  )

				return test_module
def      a_ (      _A  )			->			Optional[int]:







				"""simple docstring"""
				snake_case__									=     []
				snake_case__									=     get_test_module(_A  )
				for attr in dir(_A  ):
								if attr.endswith('ModelTester'  ):
												tester_classes.append(getattr(_A      ,   _A  )  )

    # sort with class names
				return sorted(_A      ,   key=lambda _A  : x.__name__  )
def      a_ (      _A  )			->			Dict:







				"""simple docstring"""
				snake_case__									=     []
				snake_case__									=     get_test_module(_A  )
				for attr in dir(_A  ):
								snake_case__									=     getattr(_A      ,   _A  )
								# (TF/Flax)ModelTesterMixin is also an attribute in specific model test module. Let's exclude them by checking
								# `all_model_classes` is not empty (which also excludes other special classes).
								snake_case__									=     getattr(_A      ,   'all_model_classes'      ,   []  )
								if len(_A  ) > 0:
												test_classes.append(_A  )

    # sort with class names
				return sorted(_A      ,   key=lambda _A  : x.__name__  )
def      a_ (      _A  )			->			str:







				"""simple docstring"""
				snake_case__									=     get_test_classes(_A  )
				snake_case__									=     set()
				for test_class in test_classes:
								model_classes.update(test_class.all_model_classes  )

				# sort with class names
				return sorted(_A      ,   key=lambda _A  : x.__name__  )
def      a_ (      _A  )			->			Union[str, Any]:







				"""simple docstring"""
				snake_case__									=     test_class()
				if hasattr(_A      ,   'setUp'  ):
								test.setUp()

				snake_case__									=     None
				if hasattr(_A      ,   'model_tester'  ):
								# `(TF/Flax)ModelTesterMixin` has this attribute default to `None`. Let's skip this case.
								if test.model_tester is not None:
												snake_case__									=     test.model_tester.__class__

				return model_tester
def      a_ (      _A      ,   _A  )			->			Dict:







				"""simple docstring"""
				snake_case__									=     get_test_classes(_A  )

				snake_case__									=     []
				for test_class in test_classes:
								if model_class in test_class.all_model_classes:
												target_test_classes.append(_A  )

    # sort with class names
				return sorted(_A      ,   key=lambda _A  : x.__name__  )
def      a_ (      _A      ,   _A  )			->			str:







				"""simple docstring"""
				snake_case__									=     get_test_classes_for_model(_A      ,   _A  )

				snake_case__									=     []
				for test_class in test_classes:
								snake_case__									=     get_model_tester_from_test_class(_A  )
								if tester_class is not None:
												tester_classes.append(_A  )

    # sort with class names
				return sorted(_A      ,   key=lambda _A  : x.__name__  )
def      a_ (      _A  )			->			int:







				"""simple docstring"""
				snake_case__									=     get_test_classes(_A  )
				snake_case__									=     {test_class: get_model_tester_from_test_class(_A  ) for test_class in test_classes}
				return test_tester_mapping
def      a_ (      _A  )			->			int:







				"""simple docstring"""
				snake_case__									=     get_model_classes(_A  )
				snake_case__									=     {
				    model_class: get_test_classes_for_model(_A      ,   _A  ) for model_class in model_classes
				}
				return model_test_mapping
def      a_ (      _A  )			->			int:







				"""simple docstring"""
				snake_case__									=     get_model_classes(_A  )
				snake_case__									=     {
				    model_class: get_tester_classes_for_model(_A      ,   _A  ) for model_class in model_classes
				}
				return model_to_tester_mapping


def      a_ (      _A  )			->			Tuple:







				"""simple docstring"""
				if isinstance(_A      ,   _A  ):
								return o
				elif isinstance(_A      ,   _A  ):
								return o.__name__
				elif isinstance(_A      ,   (list, tuple)  ):
								return [to_json(_A  ) for x in o]
				elif isinstance(_A      ,   _A  ):
								return {to_json(_A  ): to_json(_A  ) for k, v in o.items()}
				else:
								return o












import qiskit
def      a_ (      _A = 2  )			->			qiskit.result.counts.Counts:







				"""simple docstring"""
				snake_case__									=     qubits

				# Using Aer's simulator
				snake_case__									=     qiskit.Aer.get_backend('aer_simulator'  )

				# Creating a Quantum Circuit acting on the q register
				snake_case__									=     qiskit.QuantumCircuit(_A      ,   _A  )

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

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

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

				# 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
				snake_case__									=     qiskit.execute(_A      ,   _A      ,   shots=1000  )

				return job.result().get_counts(_A  )


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




