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)
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 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
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