nathnim

from copy import deepcopy


def printpaths(path, newpath):
    for old, new in zip(path, newpath):
        print('[' + ', '.join('%.3f' % x for x in old) +
              '] -> [' + ', '.join('%.3f' % x for x in new) + ']')


path = [[0, 0], [0, 1], [0, 2], [1, 2], [2, 2], [3, 2], [4, 2], [4, 3], [4, 4]]