Python Tutorial - Python GETATTR in class - How to use GETATTR __init__ in Python

Описание: Free Python tutorial for beginners-Python Programming - GETATTR() in class def () _init_ method

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------------------Transcript-------------------
hello welcome to technology platform so today we are going to see like uh get attribute method how to use it in class and then you need a method let's see let me open idle

now

so as you know everything how to create a class so now see this it's class um

this is my tutorial like that I am creating a class and then course name python and then chapters I can say like 10 so that's it that's enough right now see this I want to create an object like Call my tutorial equal to now you want to use it get ATT r and then pass the class name

my tutorial just copy and paste it now I want to just select only course name see this if I want to pass this here then print

call my tutorial you'll see like python or else I want to see that chapters

just print it you will see like 10 but I don't know what is the column available we don't know right what columns are available now see this here I am giving some wrong name

course name like that I am giving it because I am not sure what is a course name so I can message like column does not exist like that I am providing a message if the column is not present in this class then it should display like this now see this I want to print it call my tutorial it gives like column does not exist but the same thing you can give it the right name [Music] course name then it will give you the the proper python like that it will give you so this is what get attribute but how we can use this in init class so that is also we can see it so that it is easy for you to understand let me open that to as well let's see this now so already you know very well so how to use the init class and all but now we want to use the get attribute to produce that let's see let me open it and then I will pass it now okay we can keep the same class my tutorial

and then I can say like Def init class and then you already know like self comma course name comma chapters selfish mandatory so we can say like self dot course name equal to course name self dot chapters equal to Chapters this is enough now you want to pass it here only so earlier how do we see like we already passed the variable now you are going to pass it here only we can say like call my tutorial equal to my tutorial you are passing right you are passing the values now so you can say like Python and then then you are passing just now only right now see this now printing

get attribute and then open and then call my tutorial and then you can give the name course name [Music] let's see this now oh what happened call my tutorial this is correct object has no attribute like that I am getting an error message oh sorry this course name yeah this is worth the issue I am not giving that right name here so to avoiding this I already mentioned like uh column does not exist so if you give the wrong name here

oh that is missing single quotes now if you see this column does not exist now if you are passing the right name here

you're getting python so not only python you're just calling now Java

10. now see this print off course name now you are getting Java so this is what how do we use it in Dev init and with the class so in class you can see I'm just passing the class variables I'm directly calling that get variable my tutorial and course name it is printing but here I am just defining self course name equal to course name I'm not passing anything here I am just passing here and then based on this values I am getting the attribute so this is what the get attribute see you in the next class bye