Python/quantum/single_qubit_measure.py.DISABLED.txt
Christian Clauss 0f4e51245f
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2023-10-03 14:47:10 +05:30

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#!/usr/bin/env python3
"""
Build a simple bare-minimum quantum circuit that starts with a single
qubit (by default, in state 0), runs the experiment 1000 times, and
finally prints the total count of the states finally observed.
Qiskit Docs: https://qiskit.org/documentation/getting_started.html
"""
import qiskit
def single_qubit_measure(
qubits: int, classical_bits: int
) -> qiskit.result.counts.Counts:
"""
>>> single_qubit_measure(1, 1)
{'0': 1000}
"""
# Use Aer's simulator
simulator = qiskit.Aer.get_backend("aer_simulator")
# Create a Quantum Circuit acting on the q register
circuit = qiskit.QuantumCircuit(qubits, classical_bits)
# Map the quantum measurement to the classical bits
circuit.measure([0], [0])
# Execute the circuit on the simulator
job = qiskit.execute(circuit, simulator, shots=1000)
# Return the histogram data of the results of the experiment.
return job.result().get_counts(circuit)
if __name__ == "__main__":
print(f"Total count for various states are: {single_qubit_measure(1, 1)}")