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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 screen=turtle.Screen()
-screen.bgcolor("light blue")
-len=screen.textinput("100","100")
-len=int(len)
+screen.bgcolor("pink")
+screen.title("电子贺卡")
+# len=screen.textinput("100","输入爱心半径：")
+# len=int(len)
 pen=turtle.Pen()
-pen.write("你好\nSB.",font=("Times",30,"normal"))
+pen.clear()
+pen.penup()
+pen.goto(-40,-70)
+pen.write("你好\n诺依",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)
+# pen.goto(0,30)
+def love(len):
+    pen.pensize(5)
+    pen.pencolor("red")
+    pen.setheading(45)
+    pen.pendown()
+    pen.forward(2*len)
+    pen.circle(len,180)
+    pen.right(90)
+    pen.circle(len,180)
+    pen.forward(2*len)
+    pen.penup()
+x = -150
+for i in range(3):
+    pen.goto(x,30)
+    love(len)
+    x += 150
 turtle.done()