Create a 2d array in python

def build_matrix(rows, cols):
    matrix = []

    for r in range(0, rows):
        matrix.append([0 for c in range(0, cols)])

    return matrix

if __name__ == '__main__':
    build_matrix(6, 10)

2d array in python

from array import *

T = [[11, 12, 5, 2], [15, 6,10], [10, 8, 12, 5], [12,15,8,6]]
for r in T:
    for c in r:
        print(c,end = " ")
    print()

Source: tutorialspoint.com

2d array pytho

# 2D array that is 3x4 (3 columns, 4 rows)
# note that it is essentially an array of lists
arr = [
		[11, 12, 5],
        [15, 6, 10],
        [10, 8, 12],
        [12, 15, 8]
        ]

Python 2d matrix declare

length, breadth = x, y
matrix = [[-1 for j in range(breadth)] for i in range(length)]
# every element is -1

Similar codes

0 vote291 views1 answer
To visualize the correlation between any two columns | scatter plot graph
Python
2 votes253 views3 answers
Can't find model 'en_core_web_sm'. It doesn't seem to be a shortcut link, a Python package or a valid path to a data directory.
Python
0 vote289 views1 answer
Keras unbalanced data
Python
1 vote338 views1 answer
How to remove plotly toolbar
Python
0 vote270 views1 answer
Find poser hair
Python
1 vote286 views1 answer
Python snakes
Python
6 votes279 views2 answers
Python selenium save cookies
Python
0 vote264 views1 answer
Plt.imread python
Python
0 vote272 views1 answer
Python split only last occurrence of a character
Python
0 vote283 views1 answer
Presto sequence example date
Python