how to input 2-d array in python
matrix = [input().split() for i in range(no_of_rows)] # if only row is given and the number of coloumn has to be decide by user
matrix= [[input() for j in range(no_of_cols)] for i in range(no_of_rows)] # if both row and coloumn has been taken as input from userhow 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)two dimensional array python
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Matrix = [[0 for y in range(h)] for x in range(w)]
Matrix[0][0] = 1
Matrix[0][6] = 3 # error! range...
Matrix[6][0] = 3 # valid2d 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)]python print 2d array as table
for row in A:
for val in row:
print '{:4}'.format(val),
printCopyright © 2021 Codeinu
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