PEP 8 Style Guide for Python Code

1. Code lay-out

   Indentation, line length and blank lines.

2. Imports

   Import grouping and ordering.

3. Whitespace in expressions and statements

   Where to use spaces around operators and brackets.

4. Comments and docstrings

   Comment style and docstring conventions.

5. Naming conventions

   snake_case, CapWords and constants naming.

6. Programming recommendations

   Idioms such as is None, exceptions and return consistency.

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