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 vote269 views1 answer
AttributeError: module 'urllib' has no attribute 'URLopener'
Python
74 votes250 views6 answers
Python append to dictionary
Python
0 vote207 views1 answer
Num1=int(self.t1.get())
Python
0 vote248 views1 answer
Np minimum of array
Python
18 votes241 views6 answers
Get ip python
Python
3 votes241 views2 answers
Remove duplicates from sorted array
Python
90 votes273 views6 answers
Python get current directory
Python
0 vote226 views1 answer
How to get input from user in python with out press enter
Python
5 votes241 views3 answers
Python calendar table view
Python
4 votes244 views1 answer
Try with multiple except python
Python