When we use a list in Python, we create a challenge for ourselves because the list index will change each time we add new elements. Thus it is very difficult to maintain any kind of order.

Previously, Python offered the type collections.OrderedDict as a way to construct dictionaries that preserved insertion order. collections.OrderedDict is still available in the standard library ...

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Question regarding Python, Lists and Dictionaries Jennerstein Jan 29, 2016 Jump to latest Follow Reply ...

Note that Python will allow you to mix data types within your dictionary. Here, I have mixed strings and integers. This list stores a set of numbers with the person’s first name used as the key.