CODEWITHSUNDEEP
python-3.x
pookie
pookie

Reputation: 4142

List of tuples: how to unpack nested tuples?

I have no idea what the title should be, so please feel free to modify it.

I have a massive (millions) list of tuples which look like this:

    tuples = list(zip(grid, flattened_values, timestamps))
    list(tuples[85864725])
>>> [(1000, -34.25, 50.625), 4.4577124419932667e-10, datetime.datetime(2012, 7, 5, 0, 0)]

I want the result to look like this:

>>> [1000, -34.25, 50.625, 4.4577124419932667e-10, datetime.datetime(2012, 7, 5, 0, 0)]

The best thing I could come up with is:

(tuples[85864725][0][0],tuples[85864725][0][1],tuples[85864725][0][2],tuples[85864725][1])

What is the best way to achieve this? Given that there are millions of tuples, I need a solution which is as performant (in terms of speed) as possible.

Any ideas?

Upvotes: 1

Views: 280

Answers (1)

user2357112
user2357112

Reputation: 282026

Unpack the tuples from grid with *:

tuples = [(*x, y, z) for (x, y, z) in zip(grid, flattened_values, timestamps)]

Upvotes: 2

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