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Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
23
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ssibilities:
You can use the builtin list.copy() method (available since Python 3.3):
new_list = old_list.copy()
You can slice it:
new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In...
Dictionary vs Object - which is more efficient and why?
What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object?
8 Answers
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How to percent-encode URL parameters in Python?
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Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended ...
Can I get JSON to load into an OrderedDict?
...d while parsing source, OrderedDict will be used to build up the resulting python value.
– SingleNegationElimination
Aug 22 '19 at 0:33
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sh...
Where do the Python unit tests go?
...dule.py, the unit test should normally be called test_module.py, following Pythonic naming conventions.
There are several commonly accepted places to put test_module.py:
In the same directory as module.py.
In ../tests/test_module.py (at the same level as the code directory).
In tests/test_module....
When to use %r instead of %s in Python? [duplicate]
On Learn Python the Hard Way page 21, I see this code example:
4 Answers
4
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How to use string.replace() in python 3.x
The string.replace() is deprecated on python 3.x. What is the new way of doing this?
8 Answers
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Converting numpy dtypes to native python types
If I have a numpy dtype, how do I automatically convert it to its closest python data type? For example,
12 Answers
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What is the source code of the “this” module doing?
If you open a Python interpreter, and type "import this", as you know, it prints:
5 Answers
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