save project

diy1.py

-import turtle
+import turtle 
+#背景颜色
+screen=turtle.Screen()
+screen.bgcolor("red")
+#写字
 pen=turtle.Pen()
 pen=turtle.Pen()
+pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
-pen.write("妈妈，\n三月八日妇女节快乐！",font=("Times",30,"normal"))
+pen.write("Hi，诺依~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",20,"normal"))
 pen.hideturtle()
 pen.hideturtle()
-
+#画爱心
 pen1=turtle.Pen()
 pen1=turtle.Pen()
-pen1.pensize(10)
-pen1.pencolor("red")
+lovesize=screen.textinput("提示","你想要多大的爱心")
+len=int(lovesize)
+pen1.pensize(5)
+pen1.pencolor("green")
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-turtle.done()
+pen1.circle(len, 180)
+pen1.forward(2*len)
+pen1.hideturtle()
+turtle.done()
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