save project

diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 # 利用write()帮助悟空给诺依回信吧~
 import turtle
 import turtle
+a=100
+gb=turtle.Screen()
+gb.bgcolor("blue")
 sb=turtle.Pen()
 sb=turtle.Pen()
 sb.penup()
 sb.penup()
 sb.goto(0,-100)
 sb.goto(0,-100)
@@ -8,9 +11,9 @@ wc=turtle.Pen()
 wc.pencolor("red")
 wc.pencolor("red")
 wc.pensize(10)
 wc.pensize(10)
 wc.left(45)
 wc.left(45)
-wc.forward(100)
-wc.circle(50,180)
+wc.forward(2*a)
+wc.circle(a,180)
 wc.right(90)
 wc.right(90)
-wc.circle(50,180)
-wc.forward(100)
-turtle.done()
+wc.circle(a,180)
+wc.forward(2*a)
+turtle.done()
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