added extended google supremacy

02_cirq.py

@@ -1,38 +1,22 @@
 import cirq
 
-# Pick a qubit.
-qubit = cirq.GridQubit(0, 0)
+def main():
+    # Pick a qubit.
+    qubit = cirq.GridQubit(0, 0)
 
-# Create a circuit
-circuit = cirq.Circuit.from_ops(
-    cirq.X(qubit)**0.5,  # Square root of NOT.
-    cirq.measure(qubit, key='m')  # Measurement.
-)
-print("Circuit:")
-print(circuit)
+    # Create a circuit
+    circuit = cirq.Circuit.from_ops(
+        cirq.X(qubit)**0.5,  # Square root of NOT.
+        cirq.measure(qubit, key='m')  # Measurement.
+    )
+    print("Circuit:")
+    print(circuit)
 
-# Simulate the circuit several times.
-simulator = cirq.Simulator()
-result = simulator.run(circuit, repetitions=20)
-print("Results:")
-print(result)
+    # Simulate the circuit several times.
+    simulator = cirq.Simulator()
+    result = simulator.run(circuit, repetitions=20)
+    print("Results:")
+    print(result)
 
-
-# ----- Tutorial
-import cirq
-import numpy as np
-import matplotlib
-
-# Print Google's 72-qbit Bristlecone
-print(cirq.google.Bristlecone)
-
-# Use named Qubits
-a = cirq.NamedQubit("a")
-b = cirq.NamedQubit("b")
-c = cirq.NamedQubit("c")
-ops = [cirq.H(a), cirq.H(b), cirq.CNOT(b, c), cirq.H(b)]
-circuit = cirq.Circuit.from_ops(ops)
-print(circuit)
-
-for i, moment in enumerate(circuit):
-    print('Moment {}: {}'.format(i, moment))
+if __name__ == "__main__":
+    main()