Jul 20, 2010 · How do I refer to the null object in Python?

May 12, 2017 · How to test a variable is null in python [duplicate] Asked 8 years, 8 months ago Modified 7 years, 11 months ago Viewed 466k times

The python equivalent of NULL is called None (good info here). As all objects in python are implemented via references, you can re-write your struct to look like this:

Does Python have something like an empty string variable where you can do: if myString == string.empty: Regardless, what's the most elegant way to check for empty string values? I find …

Oct 20, 2013 · Python variables don't have an initial, empty state – Python variables are bound (only) when they're defined. You can't create a Python variable without giving it a value.

Jul 31, 2025 · Therefore, empty strings are interpreted as null values by default. If you set nullValue to anything but "", like "null" or "none", empty strings will be read as empty strings …

Note that there's a stylistic difference. return None implies to me that the function sometimes has a non- None return value, but at the location of return None, there is no such return value. …

Feb 12, 2011 · The relevant PEP considering adding null-aware operators to the language is PEP 505 and the discussion relevant to the document is in the python-ideas thread.

Dec 15, 2011 · None vs Empty String in Python Asked 14 years ago Modified 5 years, 6 months ago Viewed 55k times

Closed 9 years ago. In C#, I can say x ?? "", which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases. Is there a way to return a …