Add Grover's search algorithm implementation

Author: AnshMNSoni

quantum/grover_search_algorithm.py

@@ -8,12 +8,11 @@
 https://en.wikipedia.org/wiki/Grover%27s_algorithm
 """
 
-from typing import Dict
 from qiskit import QuantumCircuit, transpile
 from qiskit_aer import AerSimulator
 
 
-def grover_search(shots: int = 1024) -> Dict[str, int]:
+def grover_search(shots: int = 1024) -> dict[str, int]:
     """
     Runs Grover's search algorithm for 2 qubits and returns measurement results.
 
@@ -23,7 +22,7 @@ def grover_search(shots: int = 1024) -> Dict[str, int]:
         shots (int): Number of simulation shots.
 
     Returns:
-        Dict[str, int]: Measurement counts.
+        dict[str, int]: Measurement counts.
 
     Example:
     >>> result = grover_search(100)

quantum/q_fourier_transform.py

@@ -13,6 +13,7 @@
 """
 
 import math
+
 import qiskit
 from qiskit import Aer, ClassicalRegister, QuantumCircuit, QuantumRegister, execute