2-dimensional list


Hi guys, could you explain me how do 2-dimensional list work and at which point have I made one ? :confused:

from random import randint

board = []

for x in range(0, 5):
board.append(["O"] * 5)

def print_board(board):
for row in board:
print " ".join(row)

def random_row(board):
return randint(0, len(board) - 1)

def random_col(board):
return randint(0, len(board) - 1)



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