Improve docstring and add doctest example to simulated_annealing

searches/simulated_annealing.py

@@ -28,13 +28,29 @@
 
     Args:
         search_prob: The search state at the start.
-        find_max: If True, the algorithm should find the minimum else the minimum.
+        find_max: If True, the algorithm should find the maximum else the minimum.
         max_x, min_x, max_y, min_y: the maximum and minimum bounds of x and y.
         visualization: If True, a matplotlib graph is displayed.
         start_temperate: the initial temperate of the system when the program starts.
         rate_of_decrease: the rate at which the temperate decreases in each iteration.
         threshold_temp: the threshold temperature below which we end the search
-    Returns a search state having the maximum (or minimum) score.
+
+    Returns:
+        A search state having the maximum (or minimum) score.
+
+    Example:
+        >>> from searches.simulated_annealing import SearchProblem
+        >>> problem = SearchProblem(x=3, y=5, step_size=1,
+        ...     function_to_optimize=lambda x, y: x**2 + y**2)
+        >>> result = simulated_annealing(
+        ...     search_prob=problem,
+        ...     find_max=False,
+        ...     max_x=10, min_x=-10,
+        ...     max_y=10, min_y=-10,
+        ...     visualization=False,
+        ... )
+        >>> isinstance(result, SearchProblem)
+        True
     """
     search_end = False
     current_state = search_prob
@@ -135,3 +151,8 @@
         "The maximum score for f(x, y) = 3*x^2 - 6*y found via hill climbing: "
         f"{local_min.score()}"
     )
+```
+
+Depois commit com a mensagem:
+```
+Fix: restore function body indentation and fix docstring