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#include <iostream>
#define ROUND(a) ((int)(a + 0.5))

using namespace std;

int drawDDA(int x1,int y1,int x2,int y2)
{
  float x = x1, y = y1;
	int len = (x2-x1)>(y2-y1)?(x2-x1):(y2-y1);
	float dx = (x2-x1)/(float)len;

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def ROUND(a):
	return int(a + 0.5)

def drawDDA(x1,y1,x2,y2):
	x,y = x1,y1
	length = abs((x2-x1) if abs(x2-x1) > abs(y2-y1) else (y2-y1))
	dx = (x2-x1)/float(length)
	dy = (y2-y1)/float(length)
	print 'x = %s, y = %s' % (((ROUND(x),ROUND(y))))
	for i in range(length):

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// Bresenham's line drawing algorithm ( for m <= 1 )
#include <iostream>
using namespace std;

int drawBH(int x1,int y1,int x2,int y2)
{
  int x = x1, y = y1;
	int dx = x2-x1;
	int dy = y2-y1;
	int e = 2*dy - dx;

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import urllib2
import tarfile
import os

url = 'http://pypi.python.org/packages/source/b/beautifulsoup4/beautifulsoup4-4.1.3.tar.gz'
file_name = url.split('/')[-1]
u = urllib2.urlopen(url)
f = open(file_name, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])

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# Mid-point circle drawing algorithm. 
# Requires pygame: http://pygame.org

from pygame import gfxdraw
import sys,pygame
pygame.init()

screen = pygame.display.set_mode((400,400))
screen.fill((0,0,0))
pygame.display.flip()

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import sys,pygame
from pygame import gfxdraw

pygame.init()
screen = pygame.display.set_mode((400,400))
screen.fill((0,0,0))
pygame.display.flip()

white=(255,255,255)

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import sys,pygame
from pygame import gfxdraw

pygame.init()
screen = pygame.display.set_mode((400,400))
screen.fill((0,0,0))
pygame.display.flip()
white = (255,255,255)

def bresenham(x1,y1,x2,y2):

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from pygame import gfxdraw
import sys,pygame
pygame.init()

screen = pygame.display.set_mode((400,400))
screen.fill((0,0,0))
pygame.display.flip()
white = (255,255,255)

def symmetry(x,y):

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# Block a specific MAC address on the D-Link DSL-2750U (using parental control).
# May also work for other/similar D-Link routers (eg; 27xx)

import urllib,urllib2
import random,json,re
import base64

# Modify as necessary
login = base64.b64encode('admin:password') # username:password
mac = '00:00:00:00:00:00' # MAC address to block in the form xx:xx:xx:xx:xx:xx

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import struct


def dns(capturefile, outputfile):
    domains = []
    cap = open(capturefile, 'rb')
    cap.read(24)
    try:
        while True:
            cap.read(8)