Update all method and variable names in the codebase to follow PEP 8 conventions. Translate names to English and make them more descriptive where necessary to improve code readability and maintainability.
Target Files: src/vu_meter_gg.py
Create a file that documents the old function and variable names along with their new replacements. This document is essential for completing the remaining issues in the milestone.
Note: According to PEP 8, variable and method names should be in snake_case, and constants should be in UPPER_CASE.
Update all method and variable names in the codebase to follow PEP 8 conventions. Translate names to English and make them more descriptive where necessary to improve code readability and maintainability.
Note: According to PEP 8, variable and method names should be in snake_case, and constants should be in UPPER_CASE.