#
#  Import modules
#


from qiskit import QuantumCircuit
from qiskit.primitives import StatevectorSampler
from qiskit.visualization import plot_histogram
import matplotlib.pyplot as plt

#
#  Define quantum circuit
#

qc = QuantumCircuit(2)       # q0=q1 = 0      |00>
qc.x(0)                      # flip q0        |01>
qc.cx(0, 1)                  # flip q1 if q0  |11>
qc.measure_all()             #  100% 11


#
# Visualize circuit and resultss
#

qc.draw("mpl")

sampler = StatevectorSampler()
result = sampler.run([qc], shots=1024).result()
print(result[0].data.meas.get_counts())

counts = result[0].data.meas.get_counts()
plot_histogram(counts)
plt.show()