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When to use %r instead of %s in Python? [duplicate]
On Learn Python the Hard Way page 21, I see this code example:
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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?
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Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
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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 ...
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.
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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,...
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?
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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:
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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...
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...