





import qiskit


def 							__snake_case							(    lowerCAmelCase_ = 2	)				->						qiskit.result.counts.Counts:
    SCREAMING_SNAKE_CASE__											=			qubits

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

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

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

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

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

    # 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
    SCREAMING_SNAKE_CASE__											=			qiskit.execute(lowerCAmelCase_ ,							lowerCAmelCase_ ,							shots=1_0_0_0	)

    return job.result().get_counts(lowerCAmelCase_	)


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







import pytest
import requests

from datasets.utils.file_utils import http_head

from .utils import OfflineSimulationMode, RequestWouldHangIndefinitelyError, offline


@pytest.mark.integration
def 							__snake_case							(    )				->						Any:
    with offline(OfflineSimulationMode.CONNECTION_TIMES_OUT	):
        with pytest.raises(lowerCAmelCase_	):
            requests.request('''GET''' ,							'''https://huggingface.co'''	)
        with pytest.raises(requests.exceptions.ConnectTimeout	):
            requests.request('''GET''' ,							'''https://huggingface.co''' ,							timeout=1.0	)


@pytest.mark.integration
def 							__snake_case							(    )				->						int:
    with offline(OfflineSimulationMode.CONNECTION_FAILS	):
        with pytest.raises(requests.exceptions.ConnectionError	):
            requests.request('''GET''' ,							'''https://huggingface.co'''	)



def 							__snake_case							(    )				->						List[Any]:
    with offline(OfflineSimulationMode.HF_DATASETS_OFFLINE_SET_TO_1	):
        with pytest.raises(lowerCAmelCase_	):
            http_head('''https://huggingface.co'''	)
