save project

123.py

 import turtle
 screen = turtle.Screen()
 pen=turtle.Pen()
+pen1=turtle.Pen()
+pen1.pensize(3)
+pen1.pencolor("red")
 pen.penup()
 pen.goto(100,0)
 pen.screen("light blue")
 pen.write("举头望明月\n低头思故乡",font=(Times,30,"normal")
-pen1=turtle.Pen()
-pen1.pensize(3)
-pen1.pencolor("red")
 pen1.left(45)
 pen1.forward(100)
 pen1.circle(50,180)

bug.py

+import turtle
+pen = turtle.Pen()
+screen=turtle.Screen()
+size = screen.textinput("提示","你要多大的魔法阵")
+a=int(size)
+for i in range(6):
+    pen.left(60)
+    pen.forward(a)
+turtle.done()
\ No newline at end of file