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 vote253 views1 answer
Python print main arguments
Python
0 vote253 views4 answers
Python bool
Python
0 vote293 views1 answer
Django rest framework default_authentication_classes
Python Django
2 votes252 views1 answer
Extract float from string python
Python
0 vote265 views1 answer
Xlabel font type matplotlib
Python
5 votes288 views2 answers
Django password field
Python Django
2 votes267 views2 answers
No module named 'storages'
Python
4 votes252 views1 answer
Video streaming flask
Python
2 votes260 views1 answer
Django setup allowed hosts
Python
0 vote272 views1 answer
Context manager requests python
Python