Remove duplicate urls

from urlparse import urlparse
import re
tmp = []
print "- Coded by Zeerx7 -"
x = open(raw_input('Your list: '),'r').read().split('\n')
for c in x:
 if re.search('http(s)?://',c):pass
 else: c = 'http://'+c
 f = urlparse(c).netloc
 if f in tmp:pass
 elif f:print urlparse(c).netloc;tmp.append(f);open("result.txt", "a").write(f+"\n")