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What is the purpose of the single underscore “_” variable in Python?
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_ has 5 main conventional uses in Python:
To hold the result of the last executed expression(/statement) in an interactive
interpreter session. This precedent was set by the standard CPython
interpreter, and other interpreters have followed suit
As a general...
How to delete an item in a list if it exists?
...ed, EAFP style:
This shoot-first-ask-questions-last attitude is common in Python. Instead of testing in advance if the object is suitable, just carry out the operation and catch relevant Exceptions:
try:
some_list.remove(thing)
except ValueError:
pass # or scream: thing not in some_list!
e...
Print multiple arguments in Python
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print("Total score for ", name, " is ", score, sep='')
If you're using Python 2, won't be able to use the last two because print isn't a function in Python 2. You can, however, import this behavior from __future__:
from __future__ import print_function
Use the new f-string formatting in Python...
Finding a substring within a list in Python [duplicate]
...() in s (thank you stackoverflow.com/questions/3627784/case-insensitive-in-python)
– matt wilkie
Dec 3 '15 at 22:39
@m...
Where in a virtualenv does the custom code go?
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virtualenv provides a python interpreter instance, not an application instance. You wouldn't normally create your application files within the directories containing a system's default Python, likewise there's no requirement to locate your applic...
Python: Continuing to next iteration in outer loop
...there are any built-in ways to continue to next iteration in outer loop in python. For example, consider the code:
8 Answ...
Installing PIL with pip
I am trying to install PIL (the Python Imaging Library) using the command:
21 Answers
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What is the pythonic way to unpack tuples? [duplicate]
This is ugly. What's a more Pythonic way to do it?
2 Answers
2
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how to check if a file is a directory or regular file in python? [duplicate]
How do you check if a path is a directory or file in python?
4 Answers
4
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Remove and Replace Printed items [duplicate]
I was wondering if it was possible to remove items you have printed in Python - not from the Python GUI, but from the command prompt.
e.g.
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