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Python Data Type Q&A » tuple » comprehension 

1. Converting a list of lists to a tuple in Python    stackoverflow.com

I have a list of lists (generated with a simple list comprehension):

>>> base_lists = [[a, b] for a in range(1, 3) for b in range(1, 6)]
>>> base_lists

[[1,1],[1,2],[1,3],[1,4],[1,5],[2,1],[2,2],[2,3],[2,4],[2,5]]
I want to turn this ...

2. How do I convert a tuple of tuples to a one-dimensional list using list comprehension?    stackoverflow.com

I have a tuple of tuples - for example:

tupleOfTuples = ((1, 2), (3, 4), (5,))
I want to convert this into a flat, one-dimensional list of all the elements in order:
[1, 2, ...

3. Python - List Mapping    stackoverflow.com

I have several lists that I would like to map together, but I can't quite work my head around how to do it. I am scraping a live feed of Horse Racing ...

4. A faster way of comparing two lists of point-tuples?    stackoverflow.com

I have two lists (which may or may not be the same length). In each list, are a series of tuples of two points (basically X, Y values). I am comparing the ...

5. Filtering list of tuples based on the availability of a member in a list    stackoverflow.com

I want to filter a list of tuples like [(1,22,1),(5,1,8),(8,3,4),(7,5,6)] using a list like [1,7] which would eventually give me the result [(1,22,1),(5,1,8),(7,5,6)]; since (8,3,4) does not have either 1 or ...

6. Arbitrary Amount of Tuple Unpacking With Common Date    stackoverflow.com

Input

datas2 = [[("01/01/2011", 1), ("02/02/2011", "No"), ("03/03/2011", 11)],
[("01/01/2011", 2), ("03/03/2011", 22), ("22/22/2222", "no")],
[("01/01/2011", 3), ("03/03/2011", 33), ("22/22/2222", "333")]]
Intended Output
[("01/01/2011", 1, 2, 3), ("03/03/2011", 11, 22, 33)]
[Update] I was asked about real data ...

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