class

Referencing an appended list with user generated class objects from definition within a class? Question: I want to create a class Ball, and make a list of objects generated by user for that class. I will then reference this list in run() to draw user generated objects in pygame. My problems are as follows: When …

How do I create a class in Python that contains a udp socket? Question: I created a class that acts as a UDP server on port 1500 import socket class Udp_Server(): def __int__(self): self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.sock.bind(("", 1500)) def recv_udp(self): data, addr = self.sock.recvfrom(1024) return data, addr In main, I call the recv_udp function …

Beginner Classes – Calling a variable name in a function and if I used a try/except properly Question: I just started learning Python/coding in general. I tried to find an answer to this but couldn’t. So I created this code for a Class "Vehicle" in my lab: class Vehicle(object): def __init__(self, maxspeed, mileage, color="white"): self.maxspeed=maxspeed; …

Particle Trajectory, to learn classes and data structures Question: So the task is supposed to be done in multiply steps. So we are given a class Particles, that we have to define. It is supposed to have multiply methods, and here is where i meet my first struggle. Create a class called Particle that has …

Why does attribute error shows for a none type attribute in a python class why it occurs? Question: I define a python linkedlist class but when I access the attribute it generate attribute error though i initialized the attribute in init. please help me . Here is the code . Thank you. class LinkedList: def …

What is the right way to implement addition using class in Python and avoid TypeError with missing positional argument? Question: class Add: def __init__(self,a,b): self.a = a self.b = b def add(a,b): return self.a + self.b obj = Add(3,4) print(obj.add()) Error message: print(obj.add()) ^^^^^^^^^ TypeError: Add.add() missing 1 required positional argument: ‘b’ Asked By: Madhu …

How can i add buttons afterly in Discord.py? Question: I am making a Discord bot for an order. And I need to make a role giver button list and add buttons to the first message after with a command I trying this for 2 days but I can’t add buttons only edit the first message …

What is the need to define a function to return a class's attribute? Question: I came across some code like this class Student(Person): def __init__(self, age): self.age = age def get_age(self): return self.age Could you please explain the purpose of the function get_age()? If we want to know a student’s age, can’t we simply do …

How to treat a Python object as the value of an attribute of that object? Question: I’m currently writing a Python project in which I need to pass around a custom class representation of an 8-bit byte. I can access an individual byte with __getitem__() (for example, the first byte inmy_byte = Byte("00000001") would be …

implement class method based on instance variable (OOP) Question: i am new to oop. i want to create objects that have a method which depends on the instance variables. class cases: def __init__(self, a): self.a = a def f1(self, x): return x def f2(self, x): return 100*x if self.a < 3: self.x = f1 else: …