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Discussion on: Lessons From Advent of Code: Tuple Unpacking

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ekand profile image
Erik Anderson Author

Interesting point. Would you reccomend doing the assignment on four lines? I do see the readability advantage of that.
As I look back on this, assigning the loc variables does more for readability then the tuple assignment does.
I think it's worth adding that this is something Joel Grus hacked to gether, so I don't know whether he would write code this way in all situations.

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philipstarkey profile image
Phil Starkey

Given the data is in a list, and sequential, it would be clearer to just directly unpack the list, rather than using an intermediate tuple:

opcode, loc1, loc2, loc3 = program[pos:pos+4]

I think that's readable. But if there isn't an existing relationship between the values, assigning across multiple lines is definitely better for the reasons Ben suggested.

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ekand profile image
Erik Anderson Author

Thanks.

That's clever, and I agree it's readable.