paddles.py

import pygame


class Paddles:
    def __init__(self):
        self.display = pygame.display.get_surface()
        self.speed = 8

        self.p1_rect = pygame.Rect(0, 0, 5, 75)
        self.p1_rect.center = (0, 200)
        self.p1_rect.left = 0

        self.p2_rect = pygame.Rect(0, 0, 5, 75)
        self.p2_rect.center = (0, 200)
        self.p2_rect.right = 600

    def p1_move(self):
        keys = pygame.key.get_pressed()
        if keys[pygame.K_w]:
            self.p1_rect.y -= self.speed
        if keys[pygame.K_s]:
            self.p1_rect.y += self.speed
        if self.p1_rect.top <= 0:
            self.p1_rect.top = 0
        if self.p1_rect.bottom >= 400:
            self.p1_rect.bottom = 400

    def p2_move(self):
        keys = pygame.key.get_pressed()
        if keys[pygame.K_UP]:
            self.p2_rect.y -= self.speed
        if keys[pygame.K_DOWN]:
            self.p2_rect.y += self.speed
        if self.p2_rect.top <= 0:
            self.p2_rect.top = 0
        if self.p2_rect.bottom >= 400:
            self.p2_rect.bottom = 400

    def update(self):
        self.p1_move()
        pygame.draw.rect(self.display, (255, 255, 255), self.p1_rect)
        pygame.draw.rect(self.display, (255, 255, 255), self.p2_rect)