Jun 12, 2009 · Python: Python is “pass-by-object-reference”, of which it is often said: “Object references are passed by value.” (read here). Both the caller and the function refer to the same object, but the …

May 5, 2011 · Underscore _ is considered as " I don't care " or " throwaway " variable in Python The python interpreter stores the last expression value to the special variable called _.

I'm looking to see if there is something similar to $ in Perl to indicate a variable in the Python syntax. If not - what is the cleanest way to create a multiline string with variables?

I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set. If I do, os.environ["DEBUSSY&q...

I noticed that in Python, people initialize their class attributes in two different ways. The first way is like this: class MyClass: __element1 = 123 __element2 = "this is Africa" ...

I heard that this is a bad idea in general, but I think it would solve some problems I have in my Python code. Is it possible to do something like this in Python? What can go wrong? If you are just trying to …

Jul 11, 2016 · In Python, the module is the natural place for global data: Each module has its own private symbol table, which is used as the global symbol table by all functions defined in the module. …

How can I access environment variables in Python? Asked 14 years, 10 months ago Modified 1 year, 10 months ago Viewed 3.5m times

In Python, I've seen two variable values swapped using this syntax: left, right = right, left Is this considered the standard way to swap two variable values or is there some other means by which ...

28 See The Python DB-API interface Be careful when you simply append values of variables to your statements: Imagine a user naming himself ';DROP TABLE Users;' -- That's why you need to use …