How to Concatenate Lists in Python? [Interactive Guide]

Published: 09 March 2020
on channel: Finxter

406

So you have two or more lists and you want to glue them together. This is called list concatenation. How can you do that?

These are six ways of concatenating lists:

List concatenation operator +
List append() method
List extend() method
Asterisk operator *
Itertools.chain()
List comprehension

If you’re busy, you may want to know the best answer immediately. Here it is:

To concatenate two lists l1, l2, use the l1.extend(l2) method which is the fastest and the most readable.

To concatenate more than two lists, use the unpacking (asterisk) operator [*l1, *l2, ..., *ln].

Read the full article at:
https://blog.finxter.com/concatenate-...

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