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Python | type method

Built-in Functions
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Documentation
schedule Jul 1, 2022
Last updated
local_offer Python
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Python's type(~) method can return either the type of an existing object or return a new type object.

Parameters

Return type of existing object

1. object | object

The object whose type we want to return.

Return new type object

1. name | string

The class name. Becomes the __name__ attribute.

2. bases | tuple

A tuple to itemize the base class. Becomes the __bases__ attribute.

3. dict | dict

A dictionary that is the namespace containing definitions for class body. Becomes the __dict__ attribute.

Return value

The return value depends on the following cases:

Case

Return value

Used with existing object

The type of the object

Used to create a new object

A new type object

Examples

Type of existing object

To return the type of object "abcdefg":

a = "abcdefg"
type(a)
str

To return the type of object "my_dog":

class Doge():
# This is the constructor for Python
def __init__(self, name, age):
self.name = name
self.age = age

my_dog = Doge("Roxas", 26)
type(my_dog)
__main__.Doge

As we can see, we can also return the type for custom class objects.

Create a new object

To create a new object with 'Doge' __name__ attribute:

Doge = type('Doge', (object,), dict(a=1))
print(Doge)
<class '__main__.Doge'>

The above piece of code is essentially identical to:

class Doge:
   a=1

print(Doge)
<class '__main__.Doge'>
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Published by Isshin Inada
Edited by 0 others
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