



"""simple docstring"""






import qiskit






def 	snake_case_  (				A_ :		int = 2						):


       '''simple docstring'''





       _lowerCamelCase						:    List[str]         =			qubits

       # Using Aer's simulator
       _lowerCamelCase						:    Any         =			qiskit.Aer.get_backend('''aer_simulator'''						)

       # Creating a Quantum Circuit acting on the q register
       _lowerCamelCase						:    Dict         =			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
       _lowerCamelCase						:    Union[str, Any]         =			qiskit.execute(A_,    A_,    shots=10_00						)

       return job.result().get_counts(A_						)


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







"""simple docstring"""






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
   import doctest

   doctest.testmod()


