1、设置字体大小跟随鼠标滚动
setting-->搜索mouse-->general
勾选:change font size(Zoom) with Crtl+Mouse+Wheel
2、设置显示每行数
右键show line numbers
pycharm 基本设置
原文:https://www.cnblogs.com/xchuan/p/8855882.html