learn PEP-8

[sunoonlee]

• read the doc, and make anki cards
• modify code style of SUNOTE

[sunoonlee]

readability

One of Guido's key insights is that code is read much more often than it is written.
As PEP 20 says, "Readability counts".

consistency and foolish consistency

A style guide is about consistency. Consistency with this style guide is important. Consistency within a project is more important. Consistency within one module or function is the most important.
However, know when to be inconsistent -- sometimes style guide recommendations just aren't applicable.