I know this looks like Frequency Ask Question mainly this question: How to convert JSON data into a Python object? I will mention most voted answer: Based on that answer, x is object. But it’s not object from model. I mean model that created with class. For example: I’m asking this is simply becau…
Tag: object
Why Does Python Method Needs a `self` pointer for Recursion to Work?
I’m new to Python and want to use it for LeetCode. I was doing a recursion problem and realized that I have to use self. pointer in order for the recursion to work. Here is my initial code: However, this would give me an error: I had to add a self. before reverseList() in order for it to work. I’m
Here is the problem discription: print(snake_array[0].x) AttributeError: ‘list’ object has no attribute ‘x’ . I cannot find the mistake
Answer The problem is that you are appending lists to snake_array, not Test objects. This is what you’re appending: [Test(300, 300, “RIGHT”)]. Notice that the brackets make it a list. All you need to do is remove the extra brackets. Like this:
python data relationships with classes, can’t pass data correctly
So I had this idea to make a python program that does data relationships by using lists, classes, objects, and some nested for-each loop trickery. I don’t understand how to structure my program with regards to passing data from a class’s internal function/method in a way that’s usable. 5 yea…
If I changed the function name in a class, what happen to the function?
Consider the following codes Now consider a few cases when executing the class as below Next Now if I changed the function name I got However, I am confused denny.password = ‘code:456’ does not make any change to return ‘code:123’ in the original class, right? Has the original method p…
Why can’t I access tkinter objects after importing tkinter as something?
I’m following a simple tutorial, learning about the tkinter library. In the tutorial, they do this: I was told the above is not good practice so instead I did: However, later on in the code I have to do something like this: This gives me an error because I didn’t import ttk as its own module. I wo…
Python: class and object
I have no idea why when i run my code it returns wrong value. These are the assertions that I use to test my code when i print out my code i get a correct result for weeks and hours, buts for days I always get the wrong result. If anybody know could youplease help me. Answer I couldn’t figure
how to delete an empty list in an array object in python?
I have this as data I would like to know how to remove ECG12D in my data for example ? Get this ! Answer Try this: UPDATE: Somebody suggested edit: It’s actually unnecessary, because python interprets empty list as False value. And also if you don’t want to use syntax sugar, the better way, as for…
Converting arguments to custom objects using dataclasses package
I recently discovered the dataclasses Python package. I’m running into an issue when using custom classes in my type annotation. I’ve got a simple example below. When the Entry class gets passed the location argument, the value of that argument should be used to construct a Location object. Simila…
How can I keep all objects updated in this OOP example?
I don’t know exactly how to explain it, but I’ll try my best. Here is a simple OOP example where you create players to kill a dragon. The point is to assign to each player a specific amount of damage to inflict on a dragon, in order to kill it. For instance, if a dragon has 200 health and 2