本来想画兰那罗的，但是太复杂了。还是锅巴好画。

调参真的痛苦。

代码：

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# guoba.py
import math
import turtle as tu

def guoba_ellipse(a, b, n=500, x=0, y=0, alpha=360, sangle=0, workangle=360, myflag=False):
    """
    绘制椭圆
    a:长半轴长度
    b:短半轴长度
    n:越大越趋近椭圆
    x:几何中心x坐标
    y:几何中心y坐标
    alpha:椭圆旋转的角度
    sangle:开始绘制点与椭圆长半轴正方向的夹角（角度）
    workangle:绘制一部分椭圆（角度），默认为整个椭圆
    myflag:判断是否仅需要调整画笔位置
    """
    alpha = (2*math.pi/360)*alpha  # 角度制换算弧度值
    sangle = (2*math.pi/360)*sangle
    workangle = (2*math.pi/360)*workangle
    theta = sangle
    # 参数方程，旋转的部分按旋转矩阵推导：
    start_point = (a*math.cos(theta)*math.cos(alpha) - b*math.sin(theta)*math.sin(alpha) + x,
                   a*math.cos(theta)*math.sin(alpha) + b*math.sin(theta)*math.cos(alpha) + y)
    tu.penup()
    tu.setpos(start_point)  # 初始位置
    if myflag:
        return
    tu.pendown()
    microtheta = 2 * math.pi / n  # 将2pi弧度n等分
    for i in range(n):
        theta = sangle + (i+1)*microtheta  # 弧度增加
        if (theta-sangle) > workangle:
            break
        next_point = (a*math.cos(theta)*math.cos(alpha) - b*math.sin(theta)*math.sin(alpha) + x,
                      a*math.cos(theta)*math.sin(alpha) + b*math.sin(theta)*math.cos(alpha) + y)
        tu.setpos(next_point)
    tu.penup()

tu.setup(700,700)
tu.speed(10)
tu.delay(0)
tu.pensize(25)
tu.colormode(255)

tu.pencolor((255,193,37))
tu.fillcolor((255,193,37))
tu.begin_fill()
guoba_ellipse(250, 210, 500, 0, -70, 360, -45, 270) # 脸
tu.pendown()
tu.setpos(179, -220)
tu.end_fill()

tu.begin_fill()
guoba_ellipse(75, 70, 500, 160, 150, -30) # 右耳朵
tu.end_fill()
tu.begin_fill()
guoba_ellipse(80, 77, 500, -160, 150, 45) # 左耳朵
tu.end_fill()

tu.fillcolor((205, 155, 29)) # 画笔颜色忘换了。参数调好就别动，效果一样
tu.begin_fill()
guoba_ellipse(50, 45, 500, 165, 140, -33) # 右耳朵内部
tu.end_fill()
tu.begin_fill()
guoba_ellipse(53, 47, 500, -155, 140, 30) # 左耳朵内部
tu.end_fill()

tu.pensize(15)
tu.pencolor((238, 121, 66))
tu.fillcolor((238, 121, 66))
tu.begin_fill()
guoba_ellipse(45, 48, 500, -165, -45, 0) # 左腮红
tu.end_fill()
tu.begin_fill()
guoba_ellipse(30, 50, 500, 170, -45, 15) # 右腮红
tu.end_fill()

tu.pensize(5)
tu.pencolor((0, 0, 0))
# ------------------------ 眼  罩 ------------------------#
guoba_ellipse(280, 185, 500, -5, 107, 2, -121, 62, True)  #
tu.fillcolor((0, 0, 0))                                   #
tu.begin_fill()                                           #
guoba_ellipse(280, 185, 500, -5, 107, 2, -121, 62)        #
tu.seth(25)                                               #      
tu.pendown()                                              #
tu.circle(55, 210)                                        #
tu.penup()                                                #
tu.setpos(-145, -55)                                      #    
tu.pendown()                                              #
tu.seth(157)                                              #
tu.circle(-55, 210)                                       #
guoba_ellipse(120, 80, 500, -5, 95, -1, -135, 90)         #
tu.end_fill()                                             #
tu.pendown()                                              #
tu.setpos(-145, -55)                                      #
# ------------------------ 眼  罩 ------------------------#

tu.begin_fill()
guoba_ellipse(22, 15, 300, -105, 105, 25)  # 左眉毛
tu.end_fill()
tu.begin_fill()
guoba_ellipse(18, 10, 300, 130, 100, -36)  # 右眉毛
tu.end_fill()

tu.pencolor((255, 255, 224))
tu.fillcolor((255, 255, 224))
tu.begin_fill()
guoba_ellipse(80, 45, 500, -5, 65) # 额头白色部分
tu.end_fill()
tu.pencolor((255,193,37))
tu.fillcolor((255,193,37))
tu.begin_fill()
guoba_ellipse(50, 31, 400, -5, 50) # 额头黄色部分
tu.end_fill()

tu.pencolor((255, 250, 250))
tu.fillcolor((255, 250, 250))
guoba_ellipse(21, 35, 400, -115, -8, 7, 0, 360, True)
tu.begin_fill()
guoba_ellipse(21, 35, 400, -115, -8, 7) # 左眼白
tu.end_fill()
tu.begin_fill()
guoba_ellipse(20, 33.5, 500, 120, 0, 4)  # 右眼白
tu.end_fill()

# ----------------------- 胡 子 --------------------------#
tu.pencolor((255, 255, 255))                              #
tu.fillcolor((255, 255, 255))                             #
tu.begin_fill()                                           #
guoba_ellipse(85, 20, 500, 5, -60, 0)                     #
tu.end_fill()                                             #
guoba_ellipse(85, 20, 500, 5, -60, 0, 140, 360, True)     #
tu.seth(-170)                                             #
tu.begin_fill()                                           #
tu.circle(60)                                             #
tu.end_fill()                                             #
guoba_ellipse(85, 20, 500, 5, -60, 0, 40, 360, True)      #
tu.seth(-10)                                              #
tu.begin_fill()                                           #
tu.circle(-60)                                            #
tu.end_fill()                                             #
tu.penup()                                                #
# ----------------------- 胡 子 --------------------------#

tu.pencolor((255, 160, 122))
tu.fillcolor((255, 160, 122))
tu.begin_fill()
guoba_ellipse(80, 50, 500, 4, -37, -8, -120, 35)  #鼻子
guoba_ellipse(80, 50, 500, 13, -31, 30, -115, 30)
tu.pendown()
tu.setpos(-39.5, -73)
tu.end_fill()

tu.pencolor((0, 0, 0))
tu.pensize(2)
guoba_ellipse(4.2, 7, 400, -115, -8, 7) # 左眼珠
guoba_ellipse(4, 6.7, 500, 120, 0, 4)   # 右眼珠
tu.penup()
tu.setpos(690,690)
tu.done()