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Test if lists share any items in python
...ect there might be a library function to do this. If not, is there a more pythonic method of achieving the same result.
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How to get the PATH environment-variable separator in Python?
...aracter. For Windows it's ';' , for Linux it's ':' . Is there a way in Python to get which character to split on?
5 Ans...
How do I check the operating system in Python?
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Note that since Python 3.3, "linux2" is no longer a possible value of platform (see the linked docs for corroboration) and so if you only need to support Python 3.3 and later you can safely delete the ` or platform == "linux2"` clause from t...
Find all packages installed with easy_install/pip?
Is there a way to find all Python PyPI packages that were installed with easy_install or pip? I mean, excluding everything that was/is installed with the distributions tools (in this case apt-get on Debian).
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Getting key with maximum value in dictionary?
...> max(stats.iteritems(), key=operator.itemgetter(1))[0]
'b'
If using Python3:
>>> max(stats.items(), key=operator.itemgetter(1))[0]
'b'
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When is “i += x” different from “i = i + x” in Python?
...lace_concat, and those C API functions have stricter requirements than the Python dunder methods, and… But I don't think that's relevant to the answer. The main distinction is that += tries to do an in-place add before falling back to acting like +, which I think you've already explained.
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Greenlet Vs. Threads
...can achieve with threads is significantly less. Additionally, threading in Python is more expensive and more limited than usual due to the GIL. Alternatives to concurrency are usually projects like Twisted, libevent, libuv, node.js etc, where all your code shares the same execution context, and regi...
Skip first entry in for loop in python?
In python, How do I do something like:
13 Answers
13
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Python Remove last 3 characters of a string
I'm trying to remove the last 3 characters from a string in python, I don't know what these characters are so I can't use rstrip , I also need to remove any white space and convert to upper-case
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Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
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