try:
    import cirq
except ImportError:
    print("installing cirq...")
    !pip install --quiet cirq
    import cirq

    print("installed cirq.")

# Pick a qubit.
qubit = cirq.GridQubit(0, 0)

# Create a circuit that applies a square root of NOT gate, then measures the qubit.
circuit = cirq.Circuit(cirq.X(qubit) ** 0.5, cirq.measure(qubit, key='m'))
print("Circuit:")
print(circuit)

# Simulate the circuit several times.
simulator = cirq.Simulator()
result = simulator.run(circuit, repetitions=20)
print("Results:")
print(result)

Circuit:
(0, 0): ───X^0.5───M('m')───
Results:
m=00110000011010000001