2d array in python

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 python3

# 5x6, 2-d array of booleans using list comprehension:

matrix = [[False for col in range(6)] for row in range(5)]

# 6x5, 2-d array of banana's using list comprehension:

matrix = [['banana' for col in range(5)] for row in range(6)]

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

Python print 2d array as table

for row in A:
    for val in row:
        print '{:4}'.format(val),
    print

-1

Source: stackoverflow.com

Similar codes

1 vote119 views1 answer
Python show only 1st element of nested lists
Python
0 vote124 views1 answer
How to usepygame.sprite.spritecollide
Python
1 vote111 views1 answer
How to manke a query in google api freebusy python
Python
1 vote113 views1 answer
Find nth root of m using python
Python
0 vote127 views1 answer
Import "reportlab.pdfgen.canvas" could not be resolved
Python
0 vote155 views1 answer
Python mongodb docker
Python
0 vote122 views1 answer
Python min length list of strings
Python
2 votes118 views1 answer
@transactional annotation
Python
0 vote114 views1 answer
Python turn list of strings into list of doubles
Python
17 votes111 views2 answers
Random chars generator python
Python