I don\'t know if this question has duplicates , but i haven\'t found one yet.
when using python you can create GUI fastly , but sometimes you cannot find a method to
You can use Canvas.itemconfig:
item = K.create_rectangle(x1,y1,x2,y2,options...)
K.itemconfig(item,options)
To move the item, you can use Canvas.move
import Tkinter as tk
root = tk.Tk()
canvas = tk.Canvas(root)
canvas.pack()
item = canvas.create_rectangle(50, 25, 150, 75, fill="blue")
def callback():
canvas.itemconfig(item,fill='red')
button = tk.Button(root,text='Push me!',command=callback)
button.pack()
root.mainloop()