
import numpy as np
import qiskit

def a__    (       A_ = 8,     A_ = None					):






  '''simple docstring'''





  __magic_name__				     =       np.random.default_rng(seed=A_					)

  # Roughly 25% of the qubits will contribute to the key.
  # So we take more than we need.
  __magic_name__				     =       6 * key_len
  # Measurement basis for Alice's qubits.
  __magic_name__				     =       rng.integers(2,     size=A_					)
  # The set of states Alice will prepare.
  __magic_name__				     =       rng.integers(2,     size=A_					)
  # Measurement basis for Bob's qubits.
  __magic_name__				     =       rng.integers(2,     size=A_					)

  # Quantum Circuit to simulate BB84
  __magic_name__				     =       qiskit.QuantumCircuit(A_,     name="""BB84"""					)

  # Alice prepares her qubits according to rules above.
  for index, _ in enumerate(A_					):
    if alice_state[index] == 1:
      bbaa_circ.x(A_					)
    if alice_basis[index] == 1:
      bbaa_circ.h(A_					)
  bbaa_circ.barrier()

  # Bob measures the received qubits according to rules above.
  for index, _ in enumerate(A_					):
    if bob_basis[index] == 1:
      bbaa_circ.h(A_					)

  bbaa_circ.barrier()
  bbaa_circ.measure_all()

  # Simulate the quantum circuit.
  __magic_name__				     =       qiskit.Aer.get_backend("""aer_simulator"""					)
  # We only need to run one shot because the key is unique.
  # Multiple shots will produce the same key.
  __magic_name__				     =       qiskit.execute(A_,     A_,     shots=1,     seed_simulator=A_					)
  # Returns the result of measurement.
  __magic_name__				     =       job.result().get_counts(A_					).most_frequent()

  # Extracting the generated key from the simulation results.
  # Only keep measurement results where Alice and Bob chose the same basis.
  __magic_name__				     =       """""".join(
      [
          result_bit
          for alice_basis_bit, bob_basis_bit, result_bit in zip(
              A_,     A_,     A_					)
          if alice_basis_bit == bob_basis_bit
      ]					)

  # Get final key. Pad with 0 if too short, otherwise truncate.
  __magic_name__				     =       gen_key[:key_len] if len(A_					) >= key_len else gen_key.ljust(A_,     """0"""					)
  return key


if __name__ == "__main__":
    print(F'''The generated key is : {bbaa(8, seed=0)}''')
    from doctest import testmod

    testmod()



# this script reports modified .py files under the desired list of top-level sub-dirs passed as a list of arguments, e.g.:
#   python ./utils/get_modified_files.py utils src tests examples
#
# it uses git to find the forking point and which files were modified - i.e. files not under git won't be considered
# since the output of this script is fed into Makefile commands it doesn't print a newline after the results

import re
import subprocess
import sys


__lowerCAmelCase			:     int           =   subprocess.check_output('git merge-base main HEAD'.split()).decode('utf-8')
__lowerCAmelCase			:     Any           =   (
    subprocess.check_output(F'''git diff --diff-filter=d --name-only {fork_point_sha}'''.split()).decode('utf-8').split()
)

__lowerCAmelCase			:     str           =   '|'.join(sys.argv[1:])
__lowerCAmelCase			:     Tuple           =   re.compile(RF'''^({joined_dirs}).*?\.py$''')

__lowerCAmelCase			:     Union[str, Any]           =   [x for x in modified_files if regex.match(x)]
print(' '.join(relevant_modified_files), end='')

