import tkinter as tk

width = 100
height = 100
max_iterations = 30
upperbound = 1000
upperleft = complex(-2, 1.25)
downright = complex(1, -1.25)

   
root = tk.Tk()


canvas = tk.Canvas(root, width=width, height=height)
canvas.pack()

xfactor = (downright.real - upperleft.real) / width
yfactor = (downright.imag - upperleft.imag) / height

for x in range(0, width):
    for y in range(0, height):
        c = complex(x * xfactor + upperleft.real, y * yfactor + upperleft.imag)
        z = 0 + 0j
        iter = 0
        while iter < max_iterations and abs(z) < upperbound:
            z = z ** 2 + c
            iter = iter+1
        if iter>= max_iterations:
            line = canvas.create_rectangle(x, y, x + 1, y + 1, fill="black", outline="")
        else:
            color = "#%02x%02x%02x" % ((int)(iter* 256.0 / max_iterations), 0, 0)
            line = canvas.create_rectangle(x, y, x + 1, y + 1, fill=color, outline="")


usingIDLE = 0
if not usingIDLE:
    root.mainloop()