Create quantum_main.py

quantum/quantum_main.py

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+# quantum_main.py
+from qiskit import QuantumCircuit, transpile, assemble, Aer, execute
+from quantum_algorithms import grover, quantum_counting
+
+# Define the number of qubits
+n = 5
+
+# Define the oracle for counting the marked items
+def counting_oracle(circuit):
+    circuit.z(0)
+    circuit.cx(0, 1)
+    circuit.cx(1, 2)
+    circuit.cx(2, 3)
+    circuit.cx(3, 4)
+    circuit.z(0)
+
+# Create a quantum circuit with n qubits
+circuit = QuantumCircuit(n)
+
+# Apply Grover's algorithm to find the marked item
+grover(circuit, counting_oracle)
+
+# Measure the output
+circuit.measure_all()
+
+# Run the circuit on a simulator
+simulator = Aer.get_backend('qasm_simulator')
+job = execute(circuit, simulator)
+result = job.result()
+
+# Get the counts
+counts = result.get_counts()
+
+# Print the counts
+print(counts)
+
+# Apply the quantum counting algorithm
+quantum_counting(circuit, counting_oracle)
+
+# Measure the output
+circuit.measure_all()
+
+# Run the circuit on a simulator
+simulator = Aer.get_backend('qasm_simulator')
+job = execute(circuit, simulator)
+result = job.result()
+
+# Get the counts
+counts = result.get_counts()
+
+# Print the counts
+print(counts)