可以使用Python的turtle模塊來畫一個簡單的雪人。下面是一個示例代碼：
```python
import turtle
# 畫頭部
turtle.fillcolor("white")
turtle.begin_fill()
turtle.circle(60)
turtle.end_fill()
# 畫身體
turtle.penup()
turtle.goto(0, -80)
turtle.pendown()
turtle.fillcolor("white")
turtle.begin_fill()
turtle.circle(80)
turtle.end_fill()
# 畫眼睛
turtle.penup()
turtle.goto(-20, 50)
turtle.pendown()
turtle.fillcolor("black")
turtle.begin_fill()
turtle.circle(10)
turtle.end_fill()
turtle.penup()
turtle.goto(20, 50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(10)
turtle.end_fill()
# 畫嘴巴
turtle.penup()
turtle.goto(-25, 20)
turtle.pendown()
turtle.pencolor("red")
turtle.pensize(3)
turtle.right(90)
turtle.circle(25, 180)
# 畫身體上的按鈕
turtle.penup()
turtle.goto(0, -20)
turtle.pendown()
turtle.fillcolor("black")
turtle.begin_fill()
turtle.circle(8)
turtle.end_fill()
turtle.penup()
turtle.goto(0, -50)
turtle.pendown()
turtle.fillcolor("black")
turtle.begin_fill()
turtle.circle(8)
turtle.end_fill()
turtle.penup()
turtle.goto(0, -80)
turtle.pendown()
turtle.fillcolor("black")
turtle.begin_fill()
turtle.circle(8)
turtle.end_fill()
turtle.done()
```
在Python環境中運行此代碼，即可看到一個簡單的雪人圖案。您可以根據需要進行修改和優化。
