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A* algorithm from scratch with Python
A* algorithm is a search algorithm for finding the optimal path from start node to goal node in a graph. It is an extension of Dikstra's algorithm. A* algorithm uses a heuristic function that underestimates the distance to goal. Using such a heuristic enables A* algorithm to find the optimal path faster than similar search algorithms. In this figure, the Python code of A* algorithm is provided along an example on a grid graph.
