memindai array 2d dalam python
If you want to take n lines of input where each line contains m space separated integers like:
1 2 3
4 5 6
7 8 9
a=[] // declaration
for i in range(0,n): //where n is the no. of lines you want
a.append([int(j) for j in input().split()]) // for taking m space separated integers as input
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