save project

.py

@@ -20,7 +20,7 @@ print("欢迎来到贝尔编程")'''
 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
 distance=1
 distance=1
-for i in range(300):
+for i in range(1,300,1):
     pen.forward(distance)
     pen.forward(distance)
     distance+=1
     distance+=1
     pen.right(91)
     pen.right(91)