What is the purpose of the single underscore “_” variable in Python?
What is the meaning of _ after for in this code?
variables
How do I put a variable’s value inside a string?
I would like to put an int into a string. This is what I am doing at the moment:
How can you dynamically create variables?
I want to create variables dynamically in Python. Does anyone have any creative means of doing this? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post helpful (or not), … Read more
How to get the value of a variable given its name in a string?
For simplicity this is a stripped down version of what I want to do: def foo(a): # I want to print the value of the variable # the name of which is contained in a I know how to do this in PHP: function foo($a) { echo $$a; } global $string = "blah"; // might … Read more
How to use a variable inside a regular expression?
I’d like to use a variable inside a regex, how can I do this in Python?
Getting the name of a variable as a string
This thread discusses how to get the name of a function as a string in Python:
How to get a function name as a string?
How do you create different variable names while in a loop?
For example purposes… for x in range(0,9): string'x' = "Hello" So I end up with string1, string2, string3… all equaling “Hello” Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the … Read more
Simpler way to create dictionary of separate variables?
I would like to be able to get the name of a variable as a string but I don’t know if Python has that much introspection capabilities. Something like:
Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won’t happen), all instance should have the same configuration. I wonder which of the following options would be better or more “idiomatic” Python.
How do I check if a variable exists?
I want to check if a variable exists. Now I’m doing something like this: