set expandtab       " Convert tabs to spaces
set tabstop=4       " Display existing tab characters as 4 spaces wide
set shiftwidth=4    " Use 4 spaces for each indentation level (e.g., with >> or autoindent)
set softtabstop=4   " Pressing Tab inserts 4 spaces; Backspace deletes 4 spaces at once
set number
set cursorline