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0 votes
in Python by (16.4k points)

Let's say I have a list

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

If I do:



[([1, 2, 3],), ([4, 5, 6],)]

What I get:



[(1, 4), (2, 5), (3, 6)]

I have discovered that adding a '*' before the list name gives my necessary output, yet I can't have out the effect in their activity. Would you be able to please clarify the distinction?

1 Answer

0 votes
by (26.4k points)

The zip needs a lot of contentions to zip together, however what you have is a single argument (a list, whose components are likewise records). The * in a function call "unloads" a list (or other iterable), making every one of its components a different contention. So without  *, you're doing zip( [[1,2,3],[4,5,6]] ) and with *, you're doing zip([1,2,3], [4,5,6]).

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