python initialize a 2d array
x = [[foo for i in range(10)] for j in range(10)]
# x is now a 10x10 array of 'foo' (which can depend on i and j if you want)python initialize a 2d array
x = [[foo for i in range(10)] for j in range(10)]
# x is now a 10x10 array of 'foo' (which can depend on i and j if you want)python intitialize a 2d matrix
# initialize a matrix of rowxcol with -1
dp = [[-1]*col for _ in range(row)]Copyright © 2021 Codeinu
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