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If you want to learn more about Python dictionary comprehension, This tutorial is for you.

Quote:Dictionary is an unordered, changeable and indexed collection of items.

This is True for Python <= 3.5.

Since Python 3.6 it's an implementation detail, that the insertion order is preserved.
Since Python 3.7 it's a language feature.

To make a list unique and keep the insertion order:

my_list = [1,1,1,3,-5,4,1]
unique_keys = list(dict.fromkeys(my_list))

Is it just me or there is really influx of links to substandard tutorials?

(Sep-21-2020, 11:25 AM)perfringo Wrote: [ -> ]Is it just me or there is really influx of links to substandard tutorials?

It's not just you.