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 vote299 views1 answer
Ia
Python
10 votes317 views3 answers
Get reactions from message discord.py
Python
0 vote288 views1 answer
How to get left click input in pygame
Python
1 vote302 views1 answer
Pretty print pandas dataframe
Python
0 vote314 views1 answer
Configuring tailwindcss, vue and laravel
Python
0 vote302 views1 answer
Carnage
Python
0 vote309 views1 answer
Python split string every character
Python
2 votes311 views3 answers
Pytorch check if using gpu
Python
4 votes340 views2 answers
Python strptime format codes
Python
3 votes319 views2 answers
How to delete a turtle in python
Python