2398 There are two built-in functions that help you identify the type of an object. You can use type() if you need the exact type of an object, and isinstance() to check an object’s type against something. …

Aug 3, 2014 · In Python, you can use the built-in isinstance() function to check if an object is of a given type, or if it inherits from a given type. To check if the object o is of type str, you would use the …

How can I determine a Python variable's type? Asked 16 years, 11 months ago Modified 7 months ago Viewed 4.2m times

Oct 4, 2021 · Łukasz Langa, a Python core developer, replied on a YouTube live related to the Python 3.10 release that Type | None is preferred over Optional[Type] for Python 3.10+.

I have a function in python that can either return a bool or a list. Is there a way to specify the types using type hints? For example, is this the correct way to do it? def foo(id) -> list or b...

In my application code I never need to know the type of something, but it's still useful to have a way to learn an object's type. Sometimes I need to get the actual class to validate a unit test.

In other words, when C is the name of a class, using C to annotate an argument declares that the argument is an instance of C (or of a subclass of C), but using Type[C] as an argument annotation …

Feb 4, 2009 · How do I find out the name of the class used to create an instance of an object in Python? I'm not sure if I should use the inspect module or parse the __class__ attribute.

Jan 30, 2011 · Is there a way to check if the type of a variable in python is a string, like: isinstance(x,int); for integer values?

May 22, 2022 · That is because Python frequently uses the notion of 'file-like' objects: Objects that may indeed be something else entirely, but support enough of the file operations for a given purpose -- …