{"id":6711,"date":"2018-01-29T12:28:29","date_gmt":"2018-01-29T06:58:29","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=6711"},"modified":"2026-04-28T11:16:05","modified_gmt":"2026-04-28T05:46:05","slug":"python-object","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/python-object\/","title":{"rendered":"Python Object – How to Create, Delete & Initialize Object in Python"},"content":{"rendered":"

Honestly, anything in python programming Language is an object. In this python object tutorial, we will focus on what is Python object,\u00a0instance Python object, and initialization.<\/p>\n

Along with this, we will cover how to\u00a0create python object, and how to\u00a0delete an object in python with examples and syntax.<\/p>\n

So, let’s Python Object Tutorial.<\/p>\n

What is Python Object?<\/h3>\n

To prove our point that everything in Python is an object, we\u2019ll first take some\u00a0 example. Before this, let’s revise Python Syntax.<\/p>\n

>>> type(7)<\/pre>\n
Output<\/strong><\/p>\n
\n
<class ‘int’><\/p>\n<\/div>\n
>>> a=[1,2,3]\r\n>>> type(a)<\/pre>\n
Output<\/strong><\/p>\n
\n
<class ‘list’><\/p>\n<\/div>\n
>>> def sayhi():\r\n  print(\"Hello\")<\/pre>\n
>>> sayhi<\/pre>\n
Output<\/strong><\/p>\n
\n
<function sayhi at 0x064B7300><\/p>\n<\/div>\n
>>> a=True\r\n>>> type(a)<\/pre>\n
Output<\/strong><\/p>\n
\n
<class ‘bool’><\/p>\n<\/div>\n
>>> type('True')<\/pre>\n
Output<\/strong><\/p>\n
\n
<class ‘str’><\/p>\n<\/div>\n
>>> class fruit:\r\n         pass\r\n>>> fruit<\/pre>\n
Output<\/strong><\/p>\n
\n
<class ‘__main__.fruit’><\/p>\n<\/div>\n
See the point? This is because every class is derived from the class \u2018object\u2019. Now, let\u2019s talk about python instance objects.<\/p>\n
An object is any real-world entity that has attributes and behaviors. Honestly, an object is to a class as is a prototype to a blueprint.<\/p>\n
An object is a concrete thing built from a class. If the class is a cookie mold, each cookie you bake is an object. In Python, my_dog = Dog(“Buddy”) makes one dog object.<\/p>\n
Python Object Initialization<\/h3>\n
When we create object for a class, the __init__() method is called.<\/p>\n
>>> class fruit: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n\u00a0\u00a0\u00a0\u00a0   def __init__(self,color,shape): \u00a0\u00a0\u00a0\u00a0\u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.color=color \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 self.shape=shape \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n   \u00a0\u00a0\u00a0 def sayhi(self): \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print(f\"Hi.\\nI am {self.color}and{self.shape}\")\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n>>> orange=fruit('Orange','Round')\r\n>>> orange.sayhi()<\/pre>\n
Output<\/strong><\/p>\n
\n
Hi.I am Orange and Round<\/p>\n<\/div>\n
We use this to fill in values to attributes when we create a object. Here, __init__() has two attributes apart from \u2018self\u2019- color and shape.<\/p>\n
Then, we pass corresponding arguments for these at the time of object creation.<\/p>\n
You know that we use \u2018self\u2019 to be able to refer to the object we\u2019re dealing with. Here, that is \u2018orange\u2019.<\/p>\n
We\u2019ve discussed this in our comprehension on Python Methods.<\/p>\n
However, if you don\u2019t supply the __init__() method, Python will use a default one for you.<\/p>\n
>>> class Person: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n  \u00a0\u00a0\u00a0\u00a0 def sayhi(self): \u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0         print(\"Hi\")\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\r\n>>> Hannah=Person()\r\n>>> Hannah.sayhi()<\/pre>\n
Output<\/strong><\/p>\n
\n
Hi<\/p>\n<\/div>\n
In saying this, we conclude that __init__() is like a constructor in C++.<\/p>\n
Assigning One Object to Another Python Object<\/h3>\n
Like we do with any other construct in Python, it is possible to assign one object to another using the assignment operator in python.<\/p>\n
>>> Miley=Hannah\r\n>>> Miley.sayhi()<\/pre>\n
Output<\/strong><\/p>\n
\n
Hi<\/p>\n<\/div>\n
Are these the same? Let\u2019s check with the id() function.<\/p>\n
>>> id(Miley)==id(Hannah)<\/pre>\n
Output<\/strong><\/p>\n
\n
True<\/p>\n<\/div>\n
>>> id(Miley)<\/pre>\n
Output<\/strong><\/p>\n
\n
95812144<\/p>\n<\/div>\n
>>> id(Hannah)<\/pre>\n
Output<\/strong><\/p>\n
\n
95812144<\/p>\n<\/div>\n
Also, let\u2019s check their hash values.<\/p>\n
>>> hash(Miley)<\/pre>\n
Output<\/strong><\/p>\n
\n
5988259<\/p>\n<\/div>\n
>>> hash(Hannah)<\/pre>\n
Output<\/strong><\/p>\n
\n
5988259<\/p>\n<\/div>\n
We assigned Hannah to Miley. Now, what if we delete Hannah? How does it affect Miley?<\/p>\n
>>> del Hannah\r\n>>> Miley<\/pre>\n
Output<\/strong><\/p>\n
\n
<__main__.Person object at 0x05B5FA30><\/p>\n<\/div>\n
As you can see, it does not.<\/p>\n
Assigning Attributes to an Object on the Fly in Python<\/h3>\n
So what, if only one object out of all, for a class needs an attribute called \u2018size\u2019?<\/p>\n
Simply assign it on the fly even after you have already declared the python class.<\/p>\n
>>> orange.size=7\r\n>>> orange.size<\/pre>\n
Output<\/strong><\/p>\n
7<\/div>\n
This attribute belongs to \u2018orange\u2019, but not to \u2018fruit\u2019. But it is possible to assign an attribute to \u2018fruit\u2019 instead.<\/p>\n
How to Delete Python Object?<\/h3>\n
Garbage collection is a very important aspect of any good programming language. Likewise, Python lets us delete a lot of stuff, including objects.<\/p>\n
To delete an object\u00a0in Python, we use the \u2018del\u2019 keyword. A when we try to refer to a deleted object, it raises NameError.<\/p>\n
>>> del orange\r\n>>> orange\r\n<\/pre>\n
Output<\/strong><\/p>\n
Traceback\u00a0(most\u00a0recent\u00a0call\u00a0last):
\nFile\u00a0“<pyshell#729>”,\u00a0line\u00a01,\u00a0in\u00a0<module>
\norange
\nNameError: name ‘orange’ is not defined<\/div>\n
Python Interview Questions on Objects<\/h3>\n
1. What are objects in Python? Explain with example.<\/p>\n
2. Can you make a list of objects in Python?<\/p>\n
3. What are the types of objects in Python?<\/p>\n
4. How to access an object in a list in Python?<\/p>\n
5. How to convert an object to a list in Python?<\/p>\n
Conclusion<\/h3>\n
Hence, we have covered the three basic concepts of python object-oriented programming, object initialization in python, assigning one object to another object in python, assigning attributes to an object on the fly, deleting a python object.<\/p>\n
These are python classes, python methods, and python objects.<\/p>\n
Classes and objects in Python are very important part of Python Programming Language. Indeed, what is a class without its objects?<\/p>\n","protected":false},"excerpt":{"rendered":"
Honestly, anything in python programming Language is an object. In this python object tutorial, we will focus on what is Python object,\u00a0instance Python object, and initialization. Along with this, we will cover how to\u00a0create...<\/p>\n","protected":false},"author":5,"featured_media":6718,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[3742,3744,9183,10729,10730],"class_list":["post-6711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-deleting-a-python-object","tag-deleting-an-object-in-python","tag-object-initialization-in-python","tag-python-object","tag-python-object-initialization"],"yoast_head":"\nPython Object - How to Create, Delete & Initialize Object in Python - DataFlair<\/title>\n<meta name=\"description\" content=\"Python object initialization, assigning one object to another object in python, assigning attributes to an object on the fly etc\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/python-object\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python Object - 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