bad mandelbrot implement using python

mandelbrot.py

__author__ = 'mk070_000'
#R KEY - INCREASE FUNCTION LOOPS OR ACCURACY
#LEFT MOUSE, HOLD, MOVE, RELEASE - CHOOSE FUNCTION MERITS (max values, can be use to zoom in)
#RIGHT MOUSE - CREATE A JULIA SET , USING THE MOUSE COORDINATES
import math, pygame, cmath, sys
from pygame import gfxdraw

def mandelbrot(point ,koeff , n):
    if abs(point) > 5:
        return 254-(254.0/accuracy)*n
    else:
        if n > 1:
            return mandelbrot(point ** 2 + koeff, koeff, n - 1)
        else:
            return 254

pygame.init()
temp =pygame.display.Info()
displLengths=(temp.current_w, temp.current_h)
surface = pygame.display.set_mode(displLengths,pygame.FULLSCREEN)


plotx = (-2,2)
ploty = (-2,2)
accuracy=50

multkoeffx = (plotx[1]-plotx[0]) / float(displLengths[0])
multkoeffy = (ploty[1]-ploty[0]) / float(displLengths[1])

x=plotx[0]
y=ploty[0]
pixelx=0
pixely=0

isJulia=False
#Mandelbrot loop   \
while not isJulia:
    multkoeffx = (plotx[1]-plotx[0]) / float(displLengths[0])
    multkoeffy = (ploty[1]-ploty[0]) / float(displLengths[1])

    x=plotx[0]
    y=ploty[0]
    pixelx=0
    pixely=0

    while y<ploty[1]:
        while x<plotx[1]:
            gfxdraw.pixel(surface,int(pixelx-plotx[0]),int(pixely-ploty[0]),
                          (0,0,mandelbrot(complex(x,y),complex(x,y),accuracy)))
            x+=multkoeffx
            pixelx+=1
        x = plotx[0]
        pixely+=1
        pixelx=0
        y+=multkoeffy
        pygame.display.update()

    #EVENT HADLER
    notDone=True
    isJulia=False
    while notDone:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            elif event.type == pygame.MOUSEBUTTONDOWN:
                mousex0, mousey0=event.pos
                while notDone:
                    for event in pygame.event.get():
                        if event.type == pygame.MOUSEBUTTONUP:
                            mousex1, mousey1=event.pos
                            plotx = ((mousex0*multkoeffx)+plotx[0],
                                     (mousex1*multkoeffx)+plotx[0])
                            ploty = ((mousey0*multkoeffy)+ploty[0],
                                     (mousey1*multkoeffy)+ploty[0])
                            notDone=False
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_r:
                    accuracy+=50
                    notDone=False
                elif event.key == pygame.K_ESCAPE:
                    pygame.quit()
                    sys.exit()
                elif event.key == pygame.K_j:
                    coord = pygame.mouse.get_pos()
                    notDone=False
                    isJulia=True

#JULIA LOOP

plotx = (-2,2)
ploty = (-2,2)
accuracy=50

complexCoord = complex((coord[0]*multkoeffx)+plotx[0],(coord[1]*multkoeffy)+ploty[0])

while isJulia:

    multkoeffx = (plotx[1]-plotx[0]) / float(displLengths[0])
    multkoeffy = (ploty[1]-ploty[0]) / float(displLengths[1])


    x=plotx[0]
    y=ploty[0]
    pixelx=0
    pixely=0

    while y<ploty[1]:
        while x<plotx[1]:
            gfxdraw.pixel(surface,int(pixelx-plotx[0]),int(pixely-ploty[0]),
                          (0,0,mandelbrot(complex(x,y),complexCoord,accuracy)))
            x+=multkoeffx
            pixelx+=1
        x = plotx[0]
        pixely+=1
        pixelx=0
        y+=multkoeffy
        pygame.display.update()
   #EVENT HADLER
    notDone=True
    while notDone:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            elif event.type == pygame.MOUSEBUTTONDOWN:
                mousex0, mousey0=event.pos
                while notDone:
                    for event in pygame.event.get():
                        if event.type == pygame.MOUSEBUTTONUP:
                            mousex1, mousey1=event.pos
                            plotx = ((mousex0*multkoeffx)+plotx[0],
                                     (mousex1*multkoeffx)+plotx[0])
                            ploty = ((mousey0*multkoeffy)+ploty[0],
                                     (mousey1*multkoeffy)+ploty[0])
                            notDone=False
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_r:
                    accuracy+=50
                    notDone=False
                elif event.key == pygame.K_ESCAPE:
                    pygame.quit()
                    sys.exit()