Python 2d matrix declare

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 vote266 views1 answer
Python sqlobject declare connection
Python
0 vote257 views1 answer
Functional conflict definition
Python
3 votes252 views1 answer
Discord python webhook
Python
3 votes283 views1 answer
Python Copy Lists
Python
0 vote294 views1 answer
Type object 'SparkContext' has no attribute '_jsc'
Python
0 vote225 views1 answer
Python ask for real values until negative value diplay highest and lowest
Python
0 vote273 views1 answer
Range coding
Python
14 votes267 views4 answers
Pandas get index of max value in column
Python
6 votes209 views1 answer
Business logic in django
Python
1 vote276 views1 answer
Find sum of values in a column that corresponds to unique vallues in another coulmn python
Python