python 2d array

1array = [[value] * lenght] * height
2
3//example
4array = [[0] * 5] * 10
5
6print(array)

1from array import *
2
3T = [[11, 12, 5, 2], [15, 6,10], [10, 8, 12, 5], [12,15,8,6]]
4for r in T:
5    for c in r:
6        print(c,end = " ")
7    print()

1for row in A:
2    for val in row:
3        print '{:4}'.format(val),
4    print

1def build_matrix(rows, cols):
2    matrix = []
3
4    for r in range(0, rows):
5        matrix.append([0 for c in range(0, cols)])
6
7    return matrix
8
9if __name__ == '__main__':
10    build_matrix(6, 10)

1# Creates a list containing 5 lists, each of 8 items, all set to 0
2w, h = 8, 5;
3Matrix = [[0 for y in range(h)] for x in range(w)] 
4
5Matrix[0][0] = 1
6Matrix[0][6] = 3 # error! range... 
7Matrix[6][0] = 3 # valid
8

1array = [[11, 12, 5, 2], [15, 6,10], [10, 8, 12, 5], [12,15,8,6]]
2
3print(array[0])
4
5print(array[1][2])