def move_left(self):
'''
Moving the space to left
:return: a new board position or None if not possible
'''
# Replace 'return None' with you own code
new_node = copy.deepcopy(self.board)
empty_space = []
for i in range(3):
for j in range(3):
if new_node[i][j] == 0:
empty_space.append(i), empty_space.append(j)
if empty_space[1] == 2:
return None
else:
new_node[i][j], new_node[i][j - 1] = new_node[i][j - 1], new_node[i][j]
return EightGameNode(new_node)
def move_right(self):
'''
Moving the space to right
:return: a new board position or None if not possible
'''
# Replace 'return None' with you own code
new_node = copy.deepcopy(self.board)
empty_space = []
for i in range(3):
for j in range(3):
if new_node[i][j] == 0:
empty_space.append(i), empty_space.append(j)
if empty_space[1] == 2:
return None
else:
new_node[i][j], new_node[i][j + 1] = new_node[i][j + 1], new_node[i][j]
return EightGameNode(new_node)
def move_up(self):
'''
Moving the space up
:return: a new board position or None if not possible
'''
# Replace 'return None' with you own code
new_node = copy.deepcopy(self.board)
empty_space = []
for i in range(3):
for j in range(3):
if new_node[i][j] == 0:
empty_space.append(i), empty_space.append(j)
if empty_space[1] == 2:
return None
else:
new_node[i][j], new_node[i - 1][j] = new_node[i - 1][j], new_node[i][j]
return EightGameNode(new_node)
def move_down(self):
'''
Moving the space down
:return: a new board position or None if not possible
'''
# Replace 'return None' with you own code
new_node = copy.deepcopy(self.board)
empty_space = []
for i in range(3):
for j in range(3):
if new_node[i][j] == 0:
empty_space.append(i), empty_space.append(j)
if empty_space[1] == 2:
return None
else:
new_node[i][j], new_node[i + 1][j] = new_node[i + 1][j], new_node[i][j]
return EightGameNode(new_node)
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