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# Python | isinstance method

schedule Aug 12, 2023
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Python's `isinstance(~)` method returns a boolean indicating if an object is an instance of a class or its subclasses.

# Parameters

1. `object` | `object`

The object to be checked.

2. `classinfo` | `class` or `type`

The class or type we are checking the object for. This can also be specified as a tuple of classes and types.

# Return value

A boolean indicating if the object is an instance of the specified class or its subclasses.

# Examples

## Basic usage

To check whether `x` is an instance of a list:

``` x = ['a', 'b', 'c']isinstance(x, list) True ```

To check whether `y` is an instance of a string:

``` y = ['a', 'b', 'c']isinstance(y, str) False ```

To check if `my_dog` is an instance of the `Doge` custom class:

``` class Doge():     # This is constructor for python     def __init__(self, name, age):         self.name = name         self.age = age my_dog = Doge("Roxas", 26) isinstance(my_dog, Doge) True ```
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