runtime error

[[0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4]] 3 2 [[0, 1, 1, 3, 4], [0, 1, 1, 3, 4], [0, 1, 1, 3, 4], [0, 1, 1, 3, 4], [0, 1, 1, 3, 4]] [[0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4], [0, 1, 2, 3, 4]] [[0, 1, 3, 3, 4], [0, 1, 3, 3, 4], [0, 1, 3, 3, 4], [0, 1, 3, 3, 4], [0, 1, 3, 3, 4]] [[0, 1, 4, 3, 4], [0, 1, 4, 3, 4], [0, 1, 4, 3, 4], [0, 1, 4, 3, 4], [0, 1, 4, 3, 4]] [[0, 1, 5, 3, 4], [0, 1, 5, 3, 4], [0, 1, 5, 3, 4], [0, 1, 5, 3, 4], [0, 1, 5, 3, 4]] [[0, 1, 6, 3, 4], [0, 1, 6, 3, 4], [0, 1, 6, 3, 4], [0, 1, 6, 3, 4], [0, 1, 6, 3, 4]] [[0, 1, 7, 3, 4], [0, 1, 7, 3, 4], [0, 1, 7, 3, 4], [0, 1, 7, 3, 4], [0, 1, 7, 3, 4]] [[0, 1, 8, 3, 4], [0, 1, 8, 3, 4], [0, 1, 8, 3, 4], [0, 1, 8, 3, 4], [0, 1, 8, 3, 4]] [[0, 1, 9, 3, 4], [0, 1, 9, 3, 4], [0, 1, 9, 3, 4], [0, 1, 9, 3, 4], [0, 1, 9, 3, 4]] Traceback (most recent call last): File "/home/user/app/app.py", line 31, in <module> build() File "/home/user/app/app.py", line 18, in build box[box_cent][cent]=i IndexError: list index out of range

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