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diy1.py

+#第一题：
+#  import turtle
+#  pen=turtle.Pen()
+#  for i in range(4):
+#      pen.forward(200)
+#      pen.left(90)
+#  pen.hideturtle()    
+#  turtle.done()
+
+# 第2题：
+# import turtle
+# pen=turtle.Pen()
+# screen=turtle.Screen()
+# screen.bgcolor("pink")
+# pen.pencolor("red")
+# pen.pensize(5)
+# pen.left(45)
+# pen.forward(100)
+# pen.circle(50,180)
+# pen.right(90) 
+# pen.circle(50,180)
+# pen.forward(100)
+# pen.hidet
+
+# 第三题：
 import turtle
 import turtle
-pen =turtle.Pen()
-screen=turtle.Screen()
-screen.bgcolor("pink")
-pen.penup()
-pen.goto(100,-100)
-pen.write("你好呀诺依，\nturtle真好用,\n我会在画布上写字了。",font=("Times",20,"normal"))
+pen=turtle.Pen()
+pen.pensize(50)
+pen.left(45)
+pen.forward(100)
+pen.left(90)
+pen.circle(50,180)
+pen.right(180)
+pen.forward(100)
+pen.right(90)
+pen.circle(-50,180)
 pen.hideturtle()
 pen.hideturtle()
-pen1=turtle.Pen()
-pen1.pensize(5)
-pen1.pencolor("red")
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-pen1.hideturtle()
 turtle.done()
 turtle.done()
 
 
+