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

13 votes340 views2 answers
Ipykernel install
Python
8 votes375 views4 answers
Remove nan from list python
Python
5 votes351 views2 answers
Combining list of list to single list python
Python
1 vote336 views1 answer
Uniform distribution python example
Python
0 vote358 views1 answer
Db connection string timeout
Python
0 vote339 views1 answer
Pandas : stratification (mean)
Python
1 vote323 views3 answers
Install github
Python
0 vote346 views1 answer
Echo $pythonpath ubuntu set default
Python
108 votes364 views6 answers
Dataframe sort by column
Python
2 votes394 views1 answer
How to change background color in python turtle
Python