In python, something like "black" will most definitely change the style. Anyway, they looked at C++ code and measured things like the number of tabs, number of

In python, something like "black" will most definitely change the style. Anyway, they looked at C++ code and measured things like the number of tabs, number of spaces, number of white lines, avg line length aso (table 2) Most of which get standardized automatically by the IDE these days.