画画题：小精灵采到了七色花很开心，到处都是他们开心的笑脸。请完成屏幕上随机出现若干个笑脸的绘制任务。

小精灵采到了七色花很开心，到处都是他们开心的笑脸。请完成屏幕上随机出现若干个笑脸的绘制任务。

基本要求：笑脸大小相同

提升要求：笑脸大小不同

这个题，本来是三条杠做嘴，但是我感觉好丑，就修改了一下

# Description: 命里有时终须有，命里无时莫强求
# Autor: Neptune
# Date: 2021/10/8 17:23


import random
import turtle

pen = turtle.Pen()
colors = ["red", "orange", "yellow", "green", "indigo", "blue", "violet"]

pen.speed(0)
pen.hideturtle()


def draw_eye(x, y):  # 画眼函数
    pen.pencolor()
    pen.penup()
    pen.goto(x, y)
    pen.pendown()
    pen.begin_fill()
    pen.circle(25)
    pen.fillcolor("blue")
    pen.end_fill()


def draw_mouse(x, y):
    pen.right(60)
    pen.penup()
    pen.goto(x - 65, y - 30)
    pen.pendown()
    pen.circle(75, 120)
    pen.penup()


def draw_fl(x, y):
    pen.penup()  # 提笔
    pen.goto(x + 0, y - 100)  # 移动位置
    pen.pendown()  # 放笔
    pen.begin_fill()  # 开始填充
    pen.circle(100)  # 画半径为100的圆
    pen.fillcolor("yellow")  # 填充颜色
    pen.end_fill()  # 结束填充
    # 画眼睛
    draw_eye(x - 40, y)  # 画左眼
    draw_eye(x + 40, y)  # 画右眼
    # 画嘴巴
    draw_mouse(x, y)


turtle.screensize(1920, 1080, "black")
# 屏幕大小800*600像素 背景黑色
n = random.randint(1, 999999)
for i in range(n):
    x = random.randrange(-turtle.window_width() // 2, turtle.window_width() // 2)
    y = random.randrange(-turtle.window_height() // 2, turtle.window_height() // 2)
    draw_fl(x, y)
    pen.home()

turtle.mainloop()  # 启动事件循环