2d list comprehension python

[[float(c) for c in row] for row in data]

Source: stackoverflow.com

How list comprehension for 2D works

dx = [3, 4, 5, 9]
dy = [5, 3, 2, 1]
output_matrix = []
 
for dx_n in dx:
	dx_row = []
	for dy_n in dy:
		dx_row.append(dx_n * dy_n)
	output_matrix.append(dx_row)
 
# Output is [[15, 9, 6, 3], [20, 12, 8, 4], [25, 15, 10, 5], [45, 27, 18, 9]]

Source: agnosticdev.com

Similar codes

0 vote144 views1 answer
How to export schema in graphene django
Python
1 vote165 views1 answer
No handles with labels found to put in legend
Python
0 vote137 views1 answer
Python requirments.txt
Python
0 vote154 views1 answer
How to hash out a big paragraph in vs code python
Python
0 vote129 views1 answer
Annot identify image file '/home/ellis/CB/Django-Ecommerce/media_root/default.jpg'
Python
0 vote146 views1 answer
Extract all namespace from xml file python
Python
1 vote136 views2 answers
Python add column to a matrix
Python
0 vote170 views2 answers
Django run manage.py from python
Python Django
0 vote145 views3 answers
Convert an image to matrix in python
Python
16 votes166 views4 answers
Mean of a list python
Python