The append () method adds a single item to the end of a list, while the extend () method adds multiple items to the end of a list. Knowing how to append a list in Python is a fundamental skill for any ...

The main class of interest here is Media, which is a data class. It has a single attribute, channels, which is a Python list. To make this work, you use post_init () to set channels to an instance of ...

Finally, someone on the Real Python Slack channel mentioned sub-classing collections.UserList and over-riding the append () method so that it executed a callback whenever that list object was appended ...