[EMAIL PROTECTED] a écrit : > Hi, > > I have to get list of URLs one by one and to find the URLs that I have > more than one time(can't be more than twice). > > I thought to put them into binary search tree, this way they'll be > sorted and I'll be able to check if the URL already exist.
What about a set ?
s = set()
for url in urls:
if url in s:
print "already have ", url
else:
set.add(url)
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