Движение фигуры, анимация

from tkinter import *
root = Tk()
root.title('main')
root.geometry('600x800')
 
c = Canvas(width=600, height=800, bg='white')
c.place(x=0, y=0)
 
n = 8
 
#c.create_oval(10, 10, 190, 190, fill='lightgrey', outline='white')
#c.create_arc(10, 10, 190, 190, start=0, extent=45, fill='red')
#c.create_arc(10, 10, 190, 190, start=180, extent=90, fill='orange')
#c.create_arc(10, 10, 190, 190, start=240, extent=90, style=CHORD, fill='green')
#c.create_arc(10, 10, 190, 190, start=160, extent=-90, style=ARC, outline='darkblue', width=5)
 
def move():
    s=c.coords(l1)
    if s[3] < 200:
        s[3] = s[3]+n
        c.coords(l1, 200,100,300,s[3])
        print(s)
        print(s[3])
        c.after(500)
        move()
        #c.coords(l1, 200,100,300,150)
        #c.coords(l2, 300,150,400,100)
    
b1=Button(text='Запуск', command = move)
b1.pack()
 
l1 = c.create_line(200,100,300,100)
l2 = c.create_line(300,100,400,100)
l3 = c.create_line(400,100,400,200)
l4 = c.create_line(400,200,400,300)
l5 = c.create_line(400,300,300,300)
l6 = c.create_line(300,300,200,300)
l7 = c.create_line(200,300,200,200)
l8 = c.create_line(200,200,200,100)
 
lcenter = c.create_line(200,100,300,200)
#x=300,y=200 координаты центра.
root.mainloop()