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

7 votes134 views3 answers
Rmse in python
Python
0 vote132 views1 answer
Convert to date format
Python
3 votes153 views2 answers
Secondary y axis matplotlib
Python
3 votes152 views1 answer
How to close an application from python
Python
0 vote152 views1 answer
Openpyxl read cell value
Python
0 vote145 views1 answer
Python add comma each 3 digits format
Python
2 votes158 views3 answers
Pytorch check if using gpu
Python
1 vote169 views1 answer
Numpy sign method
Python
0 vote156 views1 answer
Python file parent
Python
0 vote153 views1 answer
Journalctl not showing all python prints
Python