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#!/usr/bin/env python

import random
import Tkinter

# Screen resolution:

RESX = 800
RESY = 600

class ColoredBoxesWin:

    def __init__(self):

        self.mw = Tkinter.Tk()
        self.mw.option_add("*font", ("Arial", 12, "normal"))
        self.mw.title("Colored Boxes")
        self.mw.geometry("+90+45")

        self.cv = Tkinter.Canvas(self.mw,
                                 bg = "white",
                                 width = RESX,
                                 height = RESY)

        self.cv.pack()

        speccicolors = ("black", "blue", "red", "magenta",
                        "green", "cyan", "yellow", "white")

        for i in range(25, RESY - 50, 50):
            for u in range(25, RESX - 50, 50):

                c = random.randrange(len(speccicolors))

                self.cv.create_rectangle(u, i, u + 45, i + 45,
                                        outline = speccicolors[c],
                                        fill = speccicolors[c])

        self.btn = Tkinter.Button(self.mw,
                                  text = "Ok",
                                  command = self.mw.destroy)

        self.btn.bind(sequence = "<Return>", func = self.bindFunc)
        self.btn.focus()

        self.btn.pack(side = Tkinter.RIGHT,
                      padx = 10,
                      pady = 10)

        self.mw.mainloop()

    def bindFunc(self, a):
        self.mw.destroy()

if __name__ == "__main__":
   app = ColoredBoxesWin()