The shortcut key for commenting and uncommenting in Spyder is Ctrl + 1 (Click Ctrl and 1 simultaneously). For both Python shell and IPython shell, they have command history through the arrow key.

Execute Shell Script Files Open Command Prompt and navigate to the folder where the script file is available. Type Bash script-filename.sh and hit the enter key.

Python 3.13: Better interactive shell and finally multithreading without GIL The new Python release features an interactive command line and allows the global interpreter lock to be deactivated.