Answers for "2d matrix using list in python"

3

python initialize a 2d array

x = [[foo for i in range(10)] for j in range(10)]
# x is now a 10x10 array of 'foo' (which can depend on i and j if you want)
Posted by: Guest on November-09-2020
4

how to create 2d list in python

o=[]
for i in range(0,rows):
    x=[]
    for j in range(0,cols):
        x.append(0)
    o.append(x)
#if you use [[0]*cols]*rows all rows will become the same list
#so editing in one row will edit all rows
Posted by: Guest on November-11-2020
3

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)]
Posted by: Guest on June-07-2020
0

python declare 2d list

length, breadth = x, y
matrix = [[-1 for j in range(breadth)] for i in range(length)]
# every element is -1
Posted by: Guest on August-02-2021

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