Understanding Python's "with" statement. Fredrik Lundh | October 2006 | Originally posted to online.effbot.org Judging from comp.lang.python and other forums, Python 2.5’s new with statement (dead link) seems to be a bit confusing even for experienced Python programmers.
As most other things in Python, the with statement is actually very simple, once you understand the problem it’s trying to solve. Consider this piece of code: How to sort a table by columns in Python. How to sort a table by columns in Python I have a 2-dimensional table of data implemented as a list of lists in Python.
I would like to sort the data by an arbitrary column. This is a common task with tabular data. For example, Windows Explorer allows me to sort the list of files by Name, Size, Type, or Date Modified. I tried the code from this article, however, if there are duplicate entries in the column being sorted, the duplicates are removed. Insert chars into string. Python: How do I pass a variable by reference. Python 3 Tutorial: 15 - Dictionaries. Scrapy. Python Programming Tutorial - 19 - Dictionary Python list comprehension. Episode 17: Functional Programming Tools. Episode 12: Lambda Forms. Episode 18: List Comprehensions.