m tkinter import*
master = Tk();

canvas = Canvas(master, width = simpledialog.askinteger("Canvas size", "Enter width of canvas"))
canvas = Canvas(master, height = simpledialog.askinteger("Canvas size", "Enter height of canvas"))
canvas = Canvas(master, background = simpledialog.askstring("Canvas color", "Enter color for canvas"))
canvas.pack()

s1 = canvas.create_rectangle(150,300,450,150, width  = simpledialog.askinteger('Square size', "Enter side length of square"))
s1 = fill = simpledialog.askstring("Square color","Enter color for the square")