Isinstance ()() Function in Python

This updated guide examines Isinstance ()() Function in Python and organizes the essential facts, background, and practical takeaways in clear American English.

The isinstance () function syntax in Python

isinstance(object, classinfo)

Parameters of isinstance function ()

The isinstance () function has 2 parameters:

• object: object to check
• classinfo: class, type, or tuple

Value returned from isinstance ()

Isinstance () function returns:

• Trueif the object is an instance or a subclass of class or any element of the data set.
• Falseif vice versa.

For example, if the classinfo parameter is a tuple, this function will return True if the object is a type in tuple.

Example: How does isinstance () function work?

class Foo: a = 5 fooInstance = Foo() print(isinstance(fooInstance, Foo)) print(isinstance(fooInstance, (list, tuple))) print(isinstance(fooInstance, (list, tuple, Foo)))

Run the program, the result is:

True False True

See also: Built-in Python functions