I want to know why using randint(0, len(board) - 1) instead of randint(0, len(board))


These functions should return a random row index and a random column index from your board, respectively.
u r returning the index not the value and index starts from zero. so it should be length - 1.


I don't understand that...
The value of len(board) is 5 not 6 so len(board) - 1 return 4, isn't ?


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