auto save

a.py

+import turtle
+pen=turtle.Pen()
+pen.goto(0,0)
+pen.pencolor("black")
+pen.pendown()
+for i in range(2):
+    pen.forward(100)
+    pen.left(120)
+pen.forward(100)
+pen.penup()
+pen.goto(20,-10)
+pen.right(20)
+pen.pendown()
+pen.pencolor("olive")
+pen.forward(150)
+pen.pencolor("green")
+pen.forward(50)
+for i in range(4):
+    pen.left(72)
+    pen.forward(50)
+pen.penup()
+pen.goto(50,50)
+pen.begin_fill()
+pen.circle(50,360)
+pen.fillcolor("blue")
+pen.end_fill()
+turtle.done()
\ No newline at end of file

diy2.py

+a=input("输：")#宽
+b=float(a)*2+2
+c=(float(a)+b)*2
+d=float(a)*b
+print(str)
\ No newline at end of file