Python isinstance() (with Example)

The isinstance() function in Python is used to check whether the mentioned object is of the specified type or not. It returns True if yes, otherwise false.

Syntax:

isinstance(object, type)

isinstance() Parameters

object – object that is to be checked.
type – type, class or tuple of types or classes.

Let’s check out some examples.

Python isinstance() Example

Exampe 1:

myList = [2, 5, 8];

print(isinstance(myList, list))
print(isinstance(myList, dict))
print(isinstance(myList, set))

#object = myList
#type   = tuple of types
print(isinstance(myList, (dict, list)))

True
False
False
True

Example 2:

class myClass:
  website = "pencilprogrammer.com"

  def display(self):
    print("Learn Programming on {}".format(self.website))

obj = myClass()
#obj.display()

print(isinstance(obj,int))
print(isinstance(obj,myClass))

False
True

Example 3:

n = 5
print(isinstance(n,int))

n = 1.4
print(isinstance(n,float))

True
True

If you have any doubts or suggestion then comment below.