2d array python3

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

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# 5x6, 2-d array of booleans using list comprehension:
2
3matrix = [[False for col in range(6)] for row in range(5)]
4
5# 6x5, 2-d array of banana's using list comprehension:
6
7matrix = [['banana' for col in range(5)] for row in range(6)]