Python for Everybody - Working with Lists

Python
1

Tell us what’s happening:

Hi everyone,
the instructor of the Python For Everybody course has shown several lists up until this point, one example is the list
friends = [ ‘Joseph’, ‘Glenn’, ‘Sally’ ]
I’m wondering if it’s necessary to have the blanks at the beginning and the end, as he has sometimes left them out. Does this have any meaning?
Thanks for your time!

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Python for Everybody - Working with Lists

2

Do you mean spaces inside of the [ ] before first and after last elements? It’s not necessary, sometimes it might help with making things easier to read.

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3

Yes, I was wondering what the rules and/or common practice here is. Thanks for your helpful reply!

4

Can check PEP 8 for things like this: https://pep8.org/. Here are some eamples:

my_list = [
    1, 2, 3,
    4, 5, 6,
    ]

__all__ = ['a', 'b', 'c']

Although this rule isn’t stated explicitly, the second example there seems to recommend no space between the bracket and quote. (Unless you are breaking it up into multi-line.)

Personally, I don’t mind that extra space. I might go with having each name on a separate line.

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5

thanks a lot for the info!

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