#59 Python Tutorial for Beginners | Operator Overloading | Polymorphism

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[@mainakchakrabarti]

Sir your statement : "marks is not the way of comparing" won my heart

[@utkarshachaudhari871]

After so so many years, I have finally understood operator overloading!

[@ankitakumari2756]

😱😱😇

[@tanishasethi7363]

Exactly

[@alimdeen6921]

Still i can't understand operator overloading 😔😓

[@anindian4601]

@@alimdeen6921 YOU ARE RIGHT, THIS GUY Showing his nose after traveling through out the universe, actually he has to tell first simple example then he can show his vaast variety of expereince on us as beginners but directly he showing something else 99.9999999% from that the thing what we need is 0.0000000001% so its very confusing he did same for duck typing also

[@abhisheksriramoju8772]

@@anindian4601 No, Actually his explanation is cool. He is explaining in the beginner point of view

[@maneeshsingh2647]

"This is horrible way to compare two students by marks" I Love this line👍🙂

[@HarjotSingh-rj2lf]

ikr

[@dakshsingh6033]

bro i also loved it so much!! what a quencidence

[@moinafsana5945]

Since last Monday I have started to watching your videos . Now I am in #60.. , ultimately your teaching skill is too good . I have some basic core java knowledge, that's why I can catch up quickly and without you I couldn't go in depth in python.. thank you very much for sharing those materials . Appreciate your hard work.

[@ankitajain2883]

He is probably the best instructor to learn from! He teaches with so much clarity! Hats off!

[@sm07]

I was here to learn what operator overloading is. At the time of the end of the video, I learned about the structure and how the things behind the scene gonna work. Take a Bow Navin Sir.

[@alicandonmez6748]

You are a talented teacher! Happy that i've found you. Keep up the videos coming

[@ShaheenPatan]

00:03 Operator overloading allows usage of operators with user-defined types like strings and classes. 02:02 Python uses methods to carry out operations like addition. 03:48 Operator overloading allows defining how operators work with user-defined classes. 05:36 Operator overloading allows us to define custom behavior for operators 07:28 Python allows operator overloading for custom classes 09:08 Operator overloading allows custom comparison of objects. 10:59 Operator overloading and polymorphism in Python 12:43 Operator overloading in Python allows us to customize the behavior of operators.

[@madansirish9356]

Excellent explanation I ever heard. You are amazing. Your teaching skills are at a peak. Impressed.

[@sairajdas6692]

Wow I never knew about these double underscore function. Glad to learn new things from your channel. Thank you sir.

[@surajjena1437]

Thanks superhuman for this great explanation, right now I can feel what is happening behind the scene

[@sarthakyadav9950]

Thanks for providing quality content for free it's better than most of the paid courses out there . You are just amazing.(:

[@mbumbamwalila4224]

Thanks, sir! from now on, you opened my eyes on what python can do. All confusions are gone from my head. I really understand python now.

[@vasudevareddy5378]

One of the Good lecture, Students need teachers like you

[@legenddairy8346]

Thanks!

[@legenddairy8346]

My professor never explained what this even is, and just zoomed through this. Thanks for explaining so clearly! (I have subscribed!)

[@motog9464]

Awesome sir... Also being an educator, I can imagine how much effort you are putting in these videos.👍

[@harshavardhandsh5190]

How cruel are these language developer, can they not make this little easy....

[@amongdoomers9464]

@@harshavardhandsh5190 Python is easy thou

[@RavikanthTalakoti]

I can also see the effort you put in these videos, Navin sir. And today is my birthday Navin sir!

[@Mushsayer]

Clearly explained the concept of method overloading in Python. Thank you!

[@arpitgupta4892]

i have never returned disappointed from this channel thanks

[@bandhanmondal4685]

this is the best channel on youtube to learn coding

[@divyanshusingh6105]

Really I never understand this topic... But nowww i really know the meaning of operator overloading! Hats off to you sir🙌

[@coolguy-zm7tn]

Great video, got lots to learn thank you so much 😊

[@TM-ej9mr]

Best Tutorial series in youtube ..........Love Sir

[@neomuks]

The way you explained the connection and flow behind the code was exceptionally well, your video increasing my knowledge of python exponentially.

[@namansingh8081]

Thnx very much I'm having exam tomorrow very nicely explained

[@moinafsana5945]

Excellent Sir .. now I feel like a coder 😁

[@Matrix_Mayhem]

This video was very informative. Feels good to understand how magic methods works. Thanks Navin Sir!

[@TheKapilsharma143]

After waching video in sequence this is the firts video i enjoy in diff way. ;)

[@engineeringwithprogramming]

Finally in this tutorial somethings I couldn't understand started making sense, thanks to this man!

[@shrikarp7233]

Sir u literally thrown away my difficulty of understanding magical methods 🔥

[@arihantjain4344]

Are concepts really so easy,or it's his teaching that's making them??

[@Laith.Alkhazragy]

this is not so easy to understand, you did it also very quickly.. anyway thank u very much ..

[@santhosha1312]

Sir Your videos are like preparing tastiest Briyani and giving it as service for free 😃🥰🥰

[@eliehaddad84]

This man is a genius 🙌

[@EylulTurksever]

thank you for your amazing lessons sir. def __str__(self): return " ".join(map(str, [self.mark1, self.mark2]))

[@vikaspal2799]

9:08 LEGEND!!!!!

[@chinmayraut6058]

what if we get many teacher like him . . . . . . . . . In no time INDIA will be a super developed country

[@fathimathsameera9593]

Your classes are amazing...

[@AyushSharma-be4kh]

Best Way one can teach ! Appreciative content.

[@kaushalkishor4404]

No doubt, explanation is quite perspicuous. I am just curious how print(a+b+c) performed behind the scene because __add__ can add only two number Any Explanation/suggestion will be highly appreciated

[@ihateracistandblackpeople4272]

it's too late but if you're still curious then variable length argument concept would be used in that case,you would accept the b,c in a list in the formal args and then perform the addition by using required mean like iteration etc

[@054_ritesh3]

Print(S1.AMAZING,S1.AWSOME)

[@tanaysamanta4730]

I ain't able to figure out the example of operator overloading :(

[@kartickchandramanna267]

Awesome lecture. Thank you sir 🙏

[@subhamthemusicalguy8851]

Excellent explanation

[@Ihsan_almohsin]

you are just awesome

[@cokcury]

hat's off guruji, im glad that people are aware about the marks comparison way, i aint a fan that way either. but as you said on youtube it might have reached a mass crowd...

[@IrfanShaikh-lw8jl]

In the code of addition def __add__(self, other): m1 = self.m1 + self.m2 m2 = other.m1 + other.m2 s3 = Student (m1, m2) This is correct

[@khalidelgazzar]

This is one hell of a great video! Thank you

[@abdulmajidkz]

This is good and just. Thank you.

[@ravitejathumnoori1450]

sir, can you make videos on REST API using python

[@raihankhanphotography6041]

You're an awesome teacher!

[@Shubham-1st]

I think below method is much more easy class A: def __init__(self,a): self.a = a def __add__(self,other): return self.a + other.a x = A(1) y = A(2) print(x+y) o/p = 3

[@vibhashikhanna1864]

can you also help for subtraction

[@Shubham-1st]

@@vibhashikhanna1864 class A: def __init__(self,a): self.a = a def __sub__(self,other): return self.a - other.a x = A(3) y = A(2) print(x-y) o/p = 1

[@vibhashikhanna1864]

@@Shubham-1st thnx buddy

[@vibhashikhanna1864]

class A: def __init__(self,a): self.a = a def __add__(self,other): return self.a + other.a def _sub_(self,other): return self.a-other.a x = A(int(input("enter the number "))) y = A(int(input("enter the second number "))) print(x+y) x = A(int(input("enter the number "))) y = A(int(input("enter the second number "))) print(x-y) can youn help me with this...i wanna do it with operator overloading

[@Shubham-1st]

@@vibhashikhanna1864 This program works well but you made a mistake with underscores. so use double underscores instead of single i.e. __sub__

[@bhaveshmevada8424]

Sir what next after this basic ?? Blockchain or advance python??

[@rabilrbl]

Great explaination! Its crystal clear for me now.

[@tensfantasy2384]

9:10 .....Golden Line 👏👏👏👌👌

[@gouravchouhan1790]

That's who things should be taught, loved the way you created a some background

[@mariaxia2687]

Thank you for uploading these awesome lectures, Sir. There's a typo in this video though. "Syntactic Sugar" instead of "Synthetic Sugar".

[@vickyjha6839]

Thanks a lot sir you cleared my doubts

[@surajkottayi2451]

Just amazing 😊👍

[@bhuvanaguna7782]

thank you for your excellent class...I felt very very happy..thank you sir

[@maheshvangala8472]

Just Enjoyed It Thanks

[@habibahmad9415]

Sir you are passing double values through s1 & s2 but it added only first values of both s1 & s2 ...my question is where second values has gone

[@theanirudhroy]

I was looking in the comment section to see if anyone has asked this particular question, I have no idea what other people understood !

[@MohitKumar-kh6mv]

Awesome Awesome Awesome

[@saviofernandes5263]

At 1:24 it's supposed to be "Syntactic Sugar"

[@leyanthreddy1436]

Really u r awesome sir

[@indreeshpandey343]

sir please bring up a series of python for intermediate where we can understand advance concepts of python.

[@s.baskaravishnu22]

your explanation is excellent

[@sam.mankar]

Sir ek aur video bana do operator overloading k upar... Apke sare tutorials samj gye, ye nhi smja

[@milimishra6447]

Ur python videos are awsmm.. watched all ur videos on python . waiting for next videos on python..pls keep making videos on python..thankuu sir

[@Praveenkumar-wv8qy]

great sir again the imformation which will add some values in my life😍

[@mohdsaif8423]

Hi Naveen, what are the programs used in Product development Programs Kindly make video

[@skrishnan9625]

*excellent teaching sir. i think I would get good marks in my 11th standard

[@mysketchbook9630]

Thanks Naveen, every time I go through your video, I thank you and your team.

[@ROHIT-gv7xk]

nice video sir

[@sriramasudhamsurachapudi6496]

A small doubt: for math operation like +, - , * , we can understand which method will be called. How to know which way of calling maps to which builtin method? Eg. - How to know by calling print(a) will call __str__() ?

[@Matrix_Mayhem]

google or by reading document. You can search - print() function's magic/inbuilt method. like that

[@jdranpariya3601]

Hi sir will you teach advance python like networking with python etc...

[@kenshinnanashi9469]

These tutorials are great, but it would be a lot better to watch if the code in the background was a bigger font and/or more zoomed on, couse althought the content is awesome, you can hardly read the code it self.cheers

[@pawnage3]

Thank you so much!

[@bhaveshmevada8424]

Sir please make step by step videos on interview preperation....

[@wasimzaman674]

You are just a flame sir G

[@kulamritbamrah4880]

Actually, the __div__(self,other) magic method for operator (/) is only for Python 2.x. For Python 3.x -- as I have found -- the (/) operator call the __truediv__(self,other) magic method.

[@bhetu_sagar]

I love you bro!!! superb..

[@BrighterWay]

As useal greater explanation sir💯💯

[@atharvsarathe540]

also please explain the difference between data type and class. is int, list , str a class or are they data type?

[@bhagyalakshmibadiginchala38]

I have a doubt about these statements will you please explain.. X+y is translated into x.__add__(y) If x has not implemented __add__ and x,y are of different types then y.__radd__(x) is called. There are equivalent "r" methods for all magic methods just mentioned.

[@Chandalyt]

Please make one more video on class and __init__

[@mratanusarkar]

@Telusko, Sir, How to know the magic method used for an operator from pycharm itself? Sir, by your experience and knowledge you are saying that for "+" __add__ is used, for "print()" __str__ is being used, how do we know for a random operator/method, what magic method is being used in the background...so that we may overload it to our usage/preference??

[@deepenpatel5403]

Yes, I want to know the same.

[@manojputhalapattu1469]

press control and click on the operator you want to know to get MAGIC method

[@krishnarout9176]

Double click "shift" and search magic method

[@sass3842]

Thank you sir :)

[@sreyadeb2673]

For defining add or any operator in class can i use any other keyword like, for add __a__. Or for greater than __grt__??

[@rakeshreddy1365]

yes u can

[@subhankardas1789]

If we have two class, Class BookX: def __init__(self, pages) : self. pages=pages def __add__(self, other) : return self. pages+other.pages Class BookY: def __init__(self, pages) : self. pages=pages x=BookX(100) y=BookY(150) print("Total pages =", x+y) In this code why we are giving the add method in first class and why not in second class??

[@user-rn6zc7vp3h]

you can have in second class too you just need to change expression to y+x cuz first parameter has to be object of class BookY

[@vyomchandragallani3645]

why it is giving only one output in case of sum... i mean 118 and 134 should be there.... also if i want to get both sums what i has to write ?

[@shivashishnaramdeo1712]

while printing he has only written "s3.m1"..print "s3.m2" as well to get 134

[@just_a_viewer5]

it's actually "syntactic sugar" at 1:31

[@abdulfareed2585]

7:40 s3 = Student(m1,m2) What does the line mean? if we did not put that what will happen? I simply return m1,m2 !

[@prakhargupta477]

Sir why we write ?? if r1 > r2: (why not >> if r1 < r2 ) return True else : return false

[@unnatiagrawal8936]

inside int class in add function self is argument which means add method is instance method.why we are able to call "int.add " it should be object.add()

[@rushilmehta4415]

How can we know which method is called in the behind if we use a specific operator?

[@papreedhar8278]

Grt teaching sir..

[@abhiseksingh6550]

Good learning point

[@deepenpatel5403]

Can we overload the '__add__' method multiple times inside the same class? (Each method having its own different code)

[@prafulgopal9656]

you have told the add method takes two arguemets, what if we have to add more than two?

[@raghavagarwal3163]

Can we directly import sum of marks i.e. m1 and m2 from add method and check them in greater than method instead of again adding marks?