Add First Quantum Qiskit Code Tutorial

DIRECTORY.md

@@ -553,11 +553,15 @@
     * [Sol2](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_11/sol2.py)
   * Problem 112
     * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_112/sol1.py)
+  * Problem 119
+    * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_119/sol1.py)
   * Problem 12
     * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_12/sol1.py)
     * [Sol2](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_12/sol2.py)
   * Problem 120
     * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_120/sol1.py)
+  * Problem 125
+    * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_125/sol1.py)
   * Problem 13
     * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_13/sol1.py)
   * Problem 14
@@ -670,6 +674,9 @@
     * [Sol1](https://github.com/TheAlgorithms/Python/blob/master/project_euler/problem_99/sol1.py)
   * [Validate Solutions](https://github.com/TheAlgorithms/Python/blob/master/project_euler/validate_solutions.py)
 
+## Quantum
+  * [Single Qubit Measure](https://github.com/TheAlgorithms/Python/blob/master/quantum/single_qubit_measure.py)
+
 ## Scheduling
   * [First Come First Served](https://github.com/TheAlgorithms/Python/blob/master/scheduling/first_come_first_served.py)
   * [Round Robin](https://github.com/TheAlgorithms/Python/blob/master/scheduling/round_robin.py)

quantum/single_qubit_measure.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+"""
+Build a simple bare-minimum quantum circuit that starts with a single 
+qubit (by default, in state 0), runs the experiment 1000 times, and 
+finally prints the total count of the states finally observed.
+Qiskit Docs: https://qiskit.org/documentation/getting_started.html
+"""
+
+import qiskit as q
+
+
+def single_qubit_measure(qubits: int, classical_bits: int) -> q.result.counts.Counts:
+    """
+    >>> single_qubit_measure(1, 1)
+    {'0': 1000}
+    """
+    # Use Aer's qasm_simulator
+    simulator = q.Aer.get_backend("qasm_simulator")
+
+    # Create a Quantum Circuit acting on the q register
+    circuit = q.QuantumCircuit(qubits, classical_bits)
+
+    # Map the quantum measurement to the classical bits
+    circuit.measure([0], [0])
+
+    # Execute the circuit on the qasm simulator
+    job = q.execute(circuit, simulator, shots=1000)
+
+    # Return the histogram data of the results of the experiment.
+    return job.result().get_counts(circuit)
+
+
+if __name__ == "__main__":
+    print(f"Total count for various states are: {single_qubit_measure(1, 1)}")

requirements.txt

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