Py_NPuzzle

Explore A* search for solving 3x3 and 4x4 puzzles

ToDo:

1. Fix walking distance heuristic to make is admissible.
2. make the Gui in PyQT5
3. add misplaced tiles heuristic.
4. make solution solver into class
5. efficiency/runtime with ctypes?

How to Run:

1. Install python 3.7 or later
2. $ python3 Npuzzle.py