auto save

.py

+import tkinter
+
+root = tkinter.Tk()
+root.geometry('300x350+500+300')
+canv = tkinter.Canvas(root,width=240,height=300,bg="lightblue")
+canvs = tkinter.Canvas(canv,width=100,height=100,bg="green")
+canv.place(x=30,y=20)
+canvs.place(x=0,y=0)
+
+root.mainloop()
+def()
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