Variable names should generally be lowercase about cheatsheets HOT 3 OPEN

I use capital letters to indicate the variable is an array and I find this to be quite convenient. Since PEP-8 is a generic semantic-blind recommendation and I would prefer not to enforce it too strictly.

from cheatsheets.

I use capital letters to indicate the variable is an array

Numpy and matplotlib docs generally don't do this. Changing naming conventions (whether better or not) may be confusing.

from cheatsheets.

I think PEP-8 is confusing in that specific case. But ok to change names if really necessary.

from cheatsheets.