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diy1.py

-# 利用write()帮助悟空给诺依回信吧~
 import turtle
 import turtle
-screen=turtle.Screen()
-screen.bgcolor("light blue")
-len=screen.textinput("100","100")
-len=int(len)
-pen=turtle.Pen()
-pen.write("你好\nSB.",font=("Times",30,"normal"))
-pen.hideturtle()
-len=60
-pen.penup()
-pen.goto(100,100)
-pen.pendown()
-pen.pensize(5)
-pen.pencolor("red")
-pen.left(45)
-pen.forward(2*len)
-pen.circle(len,180)
-pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
-turtle.done()
+# pen=turtle.Pen()
+# pen.write("你好啊",font=("Times",20,"normal"))
+# pen.hideturtle()
+# turtle.done()
+pen1=turtle.Pen()#创建画笔
+pen1.pensize(5)#设置画笔粗细
+pen1.pencolor("red")#设置画笔颜色
+pen1.left(45)
+pen1.forward(100)#第一条边
+pen1.circle(50,180)#第一个半圆
+pen1.right(90)#改变画笔方向
+pen1.circle(50,180)#第二个半圆
+pen1.forward(100)#第二条边
+pen1.hideturtle()#隐藏画笔
+turtle.done()#保存画布