To summarize the contents of other (already good!) answers, isinstance caters for inheritance (an instance of a derived class is an instance of a base class, too), while checking for equality of type …

Nov 9, 2022 · isinstance(var, (classinfo1, classinfo2, classinfo3)) In other words, isinstance() already offers this functionality, out of the box. From the isinstance() documentation: If classinfo is neither a …

Jun 26, 2012 · if type(var) is type(1): ... As expected, pep8 complains about this recommending usage of isinstance(). Now, the problem is that the numbers module was added in Python 2.6 and I need to …

Comparing boolean and int using isinstance Asked 9 years, 6 months ago Modified 4 years, 8 months ago Viewed 57k times

Jan 28, 2013 · @exbluesbreaker What about isinstance(obj, object) or some other suitable class high up in our hierarchy? As others have ponted our, everything in Python is an instance of some class, …

isinstance(object, classinfo) Return true if the object argument is an instance of the classinfo argument, or of a (direct, indirect or virtual) subclass thereof.

Additional information You can also check for multiple types in one isinstance() statement as mentioned in the documentation. Just write the types as a tuple.

May 30, 2017 · But the answer to "How to check if a variable is a dictionary in python" is "Use type () or isinstance ()" which then leads to a new question, which is what is the difference between type () and …

isinstance handles inheritance (see What are the differences between type () and isinstance ()?). For example, it will tell you if a variable is a string (either str or unicode), because they derive from …

Oct 4, 2014 · For the following code, str is variable of unicode type but str is unicode # returns false isinstance(str, unicode) # returns true Why is is return false?