PYTHON

example of a bad code

    game=[[1,1,1,1,1,1,1],
         [1,'A',1,1,0,0,1],
         [1,0,0,0,0,1,1],
         [1,0,0,1,1,1,1],
         [1,1,0,0,0,'B',1],
         [1,1,1,1,1,1,1]]
    rows=len(game)
    cols=len(game[0])
    graph={}
    for i in range(1,rows-1):
       for i in range(1,rows-1):
          if(game[i][j]!=1):
          adj=[]
          for ele in [(i-1,j),(i+1,j),(i,j-1),(i,j+1)]:
               if game[ele[0]][ele[1]] == 0 or game[ele[0]][ele[1]]=='B' :
                       adj.append((ele[0],ele[1]))
          graph[(i,j)]=adj
    print(graph)

    {(1, 1): [(2, 1)],
    (1, 4): [(2, 4), (1, 5)],
    (1, 5): [(1, 4)],
    (2, 1): [(3, 1), (2, 2)],
    (2, 2): [(3, 2), (2, 1), (2, 3)],
    (2, 3): [(2, 2), (2, 4)],
    (2, 4): [(1, 4), (2, 3)],
    (3, 1): [(2, 1), (3, 2)],
    (3, 2): [(2, 2), (4, 2), (3, 1)],
    (4, 2): [(3, 2), (4, 3)],
    (4, 3): [(4, 2), (4, 4)],
    (4, 4): [(4, 3), (4, 5)],
    (4, 5): [(4, 4)]}