The console has two modes: console and command line:
Console mode: Similar to python3.13 iii9i.py on a computer.
Command line mode: Similar to Python3.13 on a computer, then enter the code line by line and run it.

difference:
Console mode: Reload libraries and resources each time.
Command line mode: Libraries and resources need to be loaded for the first time, and cached libraries and resources will be used afterwards. Running matplotlib in command-line mode will result in faster execution.


There are two ways to run command line mode:
Simulate input line by line: When encountering input(), the simulated input will treat the statements after input() as input content.
Use exec to run on multiple lines:
