"""simple docstring"""






import qiskit




def     SCREAMING_SNAKE_CASE       (	__UpperCAmelCase = 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(__snake_case	,       __snake_case							)

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

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

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

				# 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(__snake_case	,       __snake_case	,       shots=1_000							)

				return job.result().get_counts(__snake_case							)


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












def       _SCREAMING_SNAKE_CASE (							__snake_case = 1_0_0_0 )				->						int:
       _UpperCAmelCase	,			_UpperCAmelCase							=    1, 1
       _UpperCAmelCase							=    []
       for i in range(1   ,      n + 1 ):
              _UpperCAmelCase							=    prev_numerator + 2 * prev_denominator
              _UpperCAmelCase							=    prev_numerator + prev_denominator
              if len(str(__snake_case ) ) > len(str(__snake_case ) ):
                     result.append(__snake_case )
              _UpperCAmelCase							=    numerator
              _UpperCAmelCase							=    denominator

       return len(__snake_case )


if __name__ == "__main__":
  print(F"{solution() = }")