From 8fbcb933a62a40af0f6d4d170b00bd55e9ea4df3 Mon Sep 17 00:00:00 2001
From: Arity-T <tish.mainmail@gmail.com>
Date: Tue, 14 Oct 2025 17:54:27 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9A=D0=B2=D0=B0=D0=BD=D1=82=D0=BE=D0=B2?=
 =?UTF-8?q?=D0=B0=D1=8F=20=D1=82=D0=B5=D0=BB=D0=B5=D0=BF=D0=BE=D1=80=D1=82?=
 =?UTF-8?q?=D0=B0=D1=86=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 task7/main.py | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 task7/main.py

diff --git a/task7/main.py b/task7/main.py
new file mode 100644
index 0000000..40a1ef7
--- /dev/null
+++ b/task7/main.py
@@ -0,0 +1,81 @@
+from __future__ import annotations
+
+import random
+
+import cirq
+import numpy as np
+
+
+def make_quantum_teleportation_circuit(ranX, ranY):
+    circuit = cirq.Circuit()
+    msg, alice, bob = cirq.LineQubit.range(3)
+
+    # Создаём запутанную пару кубитов между Алисой и Бобом
+    circuit.append([cirq.H(alice), cirq.CNOT(alice, bob)])
+
+    # Создаём случайное состояние для сообщения
+    circuit.append([cirq.X(msg) ** ranX, cirq.Y(msg) ** ranY])
+
+    # Запутываем сообщение и кубит Алисы
+    circuit.append([cirq.CNOT(msg, alice), cirq.H(msg)])
+
+    # Измеряем сообщение и кубит Алисы
+    circuit.append(cirq.measure(msg, key="msg"))
+    circuit.append(cirq.measure(alice, key="alice"))
+
+    # Используем два классических бита
+    # для восстановления исходного квантового сообщения на кубите Боба
+    circuit.append(cirq.X(bob).with_classical_controls("alice"))
+    circuit.append(cirq.Z(bob).with_classical_controls("msg"))
+
+    return circuit
+
+
+def main(seed=None):
+    random.seed(seed)
+
+    ranX = random.random()
+    ranY = random.random()
+    circuit = make_quantum_teleportation_circuit(ranX, ranY)
+
+    print("Circuit:")
+    print(circuit)
+
+    sim = cirq.Simulator(seed=seed)
+
+    # Запускаем простую симуляцию, которая применяет случайные X и Y-гейты,
+    # создающие наше сообщение
+    q0 = cirq.LineQubit(0)
+    message = sim.simulate(cirq.Circuit([cirq.X(q0) ** ranX, cirq.Y(q0) ** ranY]))
+
+    print("\nBloch Sphere of Message After Random X and Y Gates:")
+    expected = cirq.bloch_vector_from_state_vector(message.final_state_vector, 0)
+    print(
+        "x: ",
+        np.around(expected[0], 4),
+        "y: ",
+        np.around(expected[1], 4),
+        "z: ",
+        np.around(expected[2], 4),
+    )
+
+    final_results = sim.simulate(circuit)
+
+    print("\nBloch Sphere of Qubit 2 at Final State:")
+    teleported = cirq.bloch_vector_from_state_vector(
+        final_results.final_state_vector, 2
+    )
+    print(
+        "x: ",
+        np.around(teleported[0], 4),
+        "y: ",
+        np.around(teleported[1], 4),
+        "z: ",
+        np.around(teleported[2], 4),
+    )
+
+    return expected, teleported
+
+
+if __name__ == "__main__":
+    main()