Home Menu Article Code Python: Transposing Lists With map and zip Stuart Colville 16 Oct 2007 • 1 min read I'm re-writing a piece of code to print into columns within a terminal and I wanted to join the nth items of each list together. Zip allows you to do just that >>> my_list=[[1,2,3],[4,5,6],[7,8,9,10]] >>> print zip(*my_list) [(1, 4, 7), (2, 5, 8), (3, 6, 9)] But truncates the output to the shortest common length. I then stumbled across this snippet about map in the manual : map( function, list
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open all Issues Summaries User Login Remember me? Lost your login? Administration Help Issue36054 ➜ This issue tracker has been migrated to GitHub , and is currently read-only. For more information, see the GitHub FAQs in the Python's Developer Guide. This issue has been migrated to GitHub: https://github.com/python/cpython/issues/80235 classification Title : On Linux, os.count() should read cgroup cpu.shares and cpu.cfs (CPU count inside docker container) Type : performance Stage : Components
Extracting names with 6 lines of Python code One of the tasks in natural language processing is identifying things like organisations, people and locations from text. In computational linguistics
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« Delegators #3 – The ATL Way SQL: Setting NOCOUNT Programmatically » ## Python: Converting Signedness Many times I encounter Python modules that were written in C/C++ which when you use them you get to a really annoying problem. Integers that that module returns are all unsigned. That’s really a problem, because Python longs are (potentially) inifinite (they are digit-strings) AFAIK, unlike C/C++ integers that have a limit of, usually, 32 or 64 bits. If you pass back -1 to Python and format it as
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