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 vote98 views1 answer
Pandas dataframe lists as columns
Python
16 votes99 views3 answers
Place a number randomly in a list python
Python
1 vote101 views1 answer
.pyc
Python
1 vote98 views2 answers
Beautifulsoup python set text
Python
0 vote129 views1 answer
Styling filter form django
Python Django
0 vote101 views2 answers
Apply butterworth filter python
Python
0 vote110 views1 answer
Long to_bytes python how to use it
Python
0 vote102 views1 answer
Sys.path[0]
Python
1 vote98 views1 answer
Discord.py get id of sent message
Python
0 vote97 views1 answer
Webdriver.chrome() python not working
Python