how to initialize a 2d list in python
# Using above second method to create a
# 2D array
rows, cols = (5, 5)
arr = [[0 for i in range(cols)] for j in range(rows)]
print(arr)how to initialize a 2d list in python
# Using above second method to create a
# 2D array
rows, cols = (5, 5)
arr = [[0 for i in range(cols)] for j in range(rows)]
print(arr)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 rowscreate 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)python declare 2d list
length, breadth = x, y
matrix = [[-1 for j in range(breadth)] for i in range(length)]
# every element is -1Copyright © 2021 Codeinu
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