MUST BE IN PYTHON 3. Will Thumbs Down

if not in Python 3. Will only Thumbs up if code works.

stack.py:

class Stack:

def __init__(self):

self.__items = []

def push(self, item):

self.__items.append(item)

def pop(self):

return self.__items.pop()

def peek(self):

return self.__items[len(self.__items)-1]

def is_empty(self):

return len(self.__items) == 0

def size(self):

return len(self.__items)

maze.py: https://docs.google.com/document/d/1rsZOgrrj1T4Meb6ql-vzI8LQNREHpZKaX4IqiKuocDE/edit?usp=sharing

solvable_maze.txt

3 3 0 0 2 2 0 0 0 1 0 1 0 2 0 1 1 1 0 2 1 2 1 1 2 1 2 1 2 2 2 1 2 0 2 0 1 0

unsolvable_maze.txt

3 3 0 0 2 2 0 0 0 1 0 1 0 2 0 2 1 2 1 2 1 1 1 1 1 0 1 1 2 1 1 0 2 0