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发的太晚了

有人说 我发的 太 简单，那么让你们来看看，你们看不看得懂？（5/11公布答案）

import arcade
SCREEN_HEIGHT=900
SCREEN_WIDTH=600
SCREEN_TITLE='惜缘工作室教程贴'

看到这里，你是不是就有点懵？别急，更😵の在下面~

def setup(self):
        set_background_color(color.WHITE)
        self.bx = 100
        self.by = 130
        self.bg_list=('images/road.png','images/喵.png')
        self.current_scene=0
        self.change_bg()
        self.balloons=[]
    def on_draw(self):
        start_render()
        self.bg.draw()
        self.mydraw()
        for balloon in self.balloons:
            balloon.draw()
    def change_bg(self):
        self.bg=Sprite(self.bg_list[self.current_scene])
        self.bg.center_x = 400
        self.bg.center_y = 300
    def on_update(self, delta_time):
        self.bx+=1
        for balloon in self.balloons:
            balloon.center_y+=5
        if self.bx>SCREEN_WIDTH and self.current_scene==0:
            self.bx=100
            self.current_scene=1
            self.change_bg()
            self.create_balloon()
        if self.bx > SCREEN_WIDTH and self.current_scene == 1:
            self.bx = 100
            self.current_scene = 0
            self.change_bg()
            self.balloons=[]
    def mydraw(self):
        draw_rectangle_filled(self.bx, self.by+70, 100, 80, color.RED)
        draw_rectangle_filled(self.bx, self.by+70, 40, 40, color.GRAY)
        draw_rectangle_filled(self.bx, self.by, 200, 60, color.RED)
        draw_circle_filled(self.bx-50, self.by-30, 30, color.BLACK)
        draw_circle_filled(self.bx+50, self.by-30, 30, color.BLACK)
    def create_balloon(self):
        balloon_list = ('images/balloon01.png','images/balloon02.png', 'images/balloon03.png', 'images/balloon04.png', 'images/balloon05.png')
        num=50
        for i in range(num):
            balloon=Sprite(random.choice(balloon_list))
            balloon.center_x=random.randint(0,SCREEN_WIDTH)
            balloon.center_y=-random.randint(300,600)
            self.balloons.append(balloon)
if __name__ == '__main__':
    game = MyDraw(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
    run()

哈哈哈，懵了吧？再说简单？我可是老生！你们运行一下？

哦对了，前面还要加一个：

class MyDraw(arcade.Window):

#include<stdio.h>
int main(void) {
float pi = 0;int i = 1;float num = 1;while(num >= 0.0005) {pi += num;num*=i/(2*i+1):i++;}pi *= 2;printf("pi is %f\n",pi);return 0;}
懒得分开来