class_docstr: This class provides a simple interface for interaction
  with the quantum circuit
class_docstr_tok: ["This","class","provides","a","simple","interface","for","interaction","with","the","quantum","circuit"]
code: def __init__(self, n_qubits, backend, shots):
      # --- Circuit definition ---
      self._circuit = qiskit.QuantumCircuit(n_qubits)
  
      all_qubits = [i for i in range(n_qubits)]
      self.theta = qiskit.circuit.Parameter("theta")
  
      self._circuit.h(all_qubits)
      self._circuit.barrier()
      self._circuit.ry(self.theta, all_qubits)
  
      self._circuit.measure_all()
      # ---------------------------
  
      self.backend = backend
      self.shots = shots
  
imports: import torch
  import qiskit
  import numpy
  from lightwood.mixer.helpers.default_net import DefaultNet
  from lightwood.helpers.torch import LightwoodAutocast
label_desc: Use image node_id 1 to create a new QuantumCircuit object  with example: obj = QuantumCircuit(n_qubits, backend, shots)