python编写程序利用turtle库在绘图区绘制姓氏：陈

好的，请稍等片刻，我会为您生成相应的代码。

import turtle

def draw_chen():
    turtle.penup()
    turtle.goto(-100, 0)
    turtle.pendown()
    turtle.left(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(50)
    turtle.right(90)
    turtle.forward(50)
    turtle.right(180)
    turtle.forward(100)
    turtle.right(180)
    turtle.forward(50)
    turtle.left(90)
    turtle.forward(50)
    turtle.left(90)
    turtle.forward(50)
    turtle.penup()
    turtle.goto(0, 0)

turtle.speed(5)
draw_chen()
turtle.done()

请您复制上述代码，粘贴到您的Python环境中运行即可看到效果。