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What is the pythonic way to avoid default parameters that are empty lists?
... it seems natural to have a default parameter which is an empty list. Yet Python gives unexpected behavior in these situations .
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Running shell command and capturing the output
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The answer to this question depends on the version of Python you're using. The simplest approach is to use the subprocess.check_output function:
>>> subprocess.check_output(['ls', '-l'])
b'total 0\n-rw-r--r-- 1 memyself staff 0 Mar 14 11:04 files\n'
check_output r...
How can I parse a YAML file in Python
How can I parse a YAML file in Python?
7 Answers
7
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Python time measure function
I want to create a python function to test the time spent in each function and print its name with its time, how i can print the function name and if there is another way to do so please tell me
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How to upgrade all Python packages with pip?
Is it possible to upgrade all Python packages at one time with pip ?
55 Answers
55
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Directory-tree listing in Python
How do I get a list of all files (and directories) in a given directory in Python?
20 Answers
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Pointers in Python?
I know Python doesn't have pointers, but is there a way to have this yield 2 instead
9 Answers
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How to get a random value from dictionary in python
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That will work in Python 2.x where d.keys() is a list, but it won't work in Python 3.x where d.keys() is an iterator. You should do random.choice(list(d.keys())) instead.
– Duncan
Feb 1 '11 at 9:42
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How to make the python interpreter correctly handle non-ASCII characters in string operations?
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Python 2 uses ascii as the default encoding for source files, which means you must specify another encoding at the top of the file to use non-ascii unicode characters in literals. Python 3 uses utf-8 as the default encoding f...
How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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