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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 ...

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 ...

Use Python lists to store data in one-dimensional rows, access them by indexes, and sort them any which way you like.