Download pycharm and pycharm
To learn the python language, You must select a programming tool. I also learned about this. There are many python development tools, including the built-in IDLE and pycharm. Currently, these two types of materials are quite versatile, so they are not very difficult to choose. The two tool interfaces are as follows:
Built-in IDLE:
Pycharm:
The serial number of the installation package for Internet access is also found on the Internet. Not to mention, the installation is very simple, and there are many tutorials, which will not be repeated.
Question 1: How to display row numbers
Double-click the shift key in the edit column, and the search box is displayed. Enter show line numbers in the box. A switch is displayed and the off function is set to on.
Question 2: Set the background, font and color (File ---- Settings)