save project

风车.py

-import turtle
+import turtle
 import turtle
 import turtle
-
 pen=turtle.Pen()
 pen=turtle.Pen()
-distance=1
-for i in range(300):
-    pen.forward(distance)
-    distance=distance+1
+for i in range(1,300):
+    pen.forward(i)
     pen.left(91)
     pen.left(91)
 turtle.done()
 turtle.done()