ICE BASE Can You Pass?
code works on pc but does not work in heckio
def can_pass(matrix, first, second, prev=list()): prev.append(str(first[0]) + str(first[1])) steps = ((1, 0), (-1, 0), (0, 1), (0, -1)) for s in steps: try: if str(first[0] + s[0]) + str(first[1] + s[1]) in prev: continue if matrix[first[0] + s[0]][first[1] + s[1]] == matrix[first[0]][first[1]]: if first[0] + s[0] == second[0] and first[1] + s[1] == second[1]: return True prev.append(str(first[0] + s[0]) + str(first[1] + s[1])) if can_pass(matrix, (first[0] + s[0], first[1] + s[1]), second, prev) is True: return True else: prev.remove(str(first[0] + s[0]) + str(first[1] + s[1])) continue except IndexError: pass return False if __name__ == '__main__': assert can_pass(((5,6),(6,6),(6,5),(6,6),(7,6),(6,6),(6,7),(6,6),(8,6),(6,6)), (9,1), (0,1)) == True, 'First example'