>I find out that the outcome for using .join() on a dictionary is totally
>different than it using on list or string. for example,
> >>> seq4 = {'hello':1,'good':2,'boy':3,'doiido':4}
> >>>
> boy:good:doiido:hello
>So my question is why the outcome doesn't show sequentially as the same
>sequence of the original seq4? What pattern do those "keys" of the dictionary
>in the outcome show ?
Dictionaries are not an ordered sequence.
In order to do that you need to create and OrderedDict (in collections)
Modern Dictionaries --> https://www.youtube.com/watch?v=p33CVV29OG8
The mighty Dictionary --> https://www.youtube.com/watch?v=C4Kc8xzcA68&t=142s
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