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How can I get dictionary key as variable directly in Python (not by searching from value)?
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in python 3.6: print (f"key: {key}, value: {mydictionary[key]}")
– JinSnow
Jan 24 '17 at 21:22
add a co...
How can I sort a dictionary by key?
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Standard Python dictionaries are unordered. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering.
The easiest way is to use OrderedDict, which remembers the ...
Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
9 Answers
9
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Best way to handle list.index(might-not-exist) in python?
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There is nothing "dirty" about using try-except clause. This is the pythonic way. ValueError will be raised by the .index method only, because it's the only code you have there!
To answer the comment:
In Python, easier to ask forgiveness than to get permission philosophy is well established,...
In Python, how do you convert a `datetime` object to seconds?
Apologies for the simple question... I'm new to Python... I have searched around and nothing seems to be working.
10 Answer...
What is the best way to call a script from another script?
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This is possible in Python 2 using
execfile("test2.py")
See the documentation for the handling of namespaces, if important in your case.
In Python 3, this is possible using (thanks to @fantastory)
exec(open("test2.py").read())
However, yo...
How to exit from Python without traceback?
I would like to know how to I exit from Python without having an traceback dump on the output.
10 Answers
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Error “gnu/stubs-32.h: No such file or directory” while compiling Nachos source code
...is correct; do equery belongs belongs /usr/include/gnu/stubs-32.h)
On ArchLinux, the package name is lib32-glibc - do pacman -S lib32-glibc.
Are you using Ubuntu 12.04? There is a known problem that puts the files in a non standard location. You'll also need to do:
export LIBRARY_PATH=/usr/lib/...
Assigning a variable NaN in python without numpy
...s have a NaN constant you can use to assign a variable the value NaN. Can python do this without using numpy?
6 Answers
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How to create abstract properties in python abstract classes
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Since Python 3.3 a bug was fixed meaning the property() decorator is now correctly identified as abstract when applied to an abstract method.
Note: Order matters, you have to use @property before @abstractmethod
Python 3.3+: (pyt...