Double leading underscore has a special meaning and causes the name to be mangled in order to avoid collisions with other classes e.g. `__foo` -> `_ClassName_fo

Double leading underscore has a special meaning and causes the name to be mangled in order to avoid collisions with other classes e.g. `__foo` -> `_ClassName_foo` https://peps.python.org/pep-0008/#descriptive-naming-styles https://peps.python.org/pep-0008/#descriptive-naming-styles