Add quantum_random.py (#7446)

* Create quantum_random.py

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* Update quantum/quantum_random.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update quantum/quantum_random.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update quantum/quantum_random.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update quantum_random.py

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* Update quantum_random.py

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* requirements.txt: Add projectq

* Update quantum_random.py

* Update quantum/quantum_random.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update quantum_random.py

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* Update quantum_random.py

* Update quantum_random.py

* Update quantum/quantum_random.py

* Update quantum/quantum_random.py

* Update quantum_random.py

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

quantum/quantum_random.py

@@ -0,0 +1,30 @@
+import doctest
+
+import projectq
+from projectq.ops import H, Measure
+
+
+def get_random_number(quantum_engine: projectq.cengines._main.MainEngine) -> int:
+    """
+    >>> isinstance(get_random_number(projectq.MainEngine()), int)
+    True
+    """
+    qubit = quantum_engine.allocate_qubit()
+    H | qubit
+    Measure | qubit
+    return int(qubit)
+
+
+if __name__ == "__main__":
+    doctest.testmod()
+
+    # initialises a new quantum backend
+    quantum_engine = projectq.MainEngine()
+
+    # Generate a list of 10 random numbers
+    random_numbers_list = [get_random_number(quantum_engine) for _ in range(10)]
+
+    # Flushes the quantum engine from memory
+    quantum_engine.flush()
+
+    print("Random numbers", random_numbers_list)

requirements.txt

@@ -7,6 +7,7 @@ numpy
 opencv-python
 pandas
 pillow
+projectq
 qiskit
 requests
 scikit-fuzzy