Python-сообщество

import sys
sites = {}
for filename in sys.argv[1:]:
    for line in open(filename):
        i = 0
        while True:
            site = None
            i = line.find("http://", i)
            if i > -1:
                i += len("http://")
                for j in range(i, len(line)):
                    if not (line[j].isalnum() or line[j] in ".-"):
                        site = line[i:j].lower()
                        break
                if site and "." in site:
                    sites.setdefault(site, set()).add(filename)
                i = j
            else:
                break
for site in sorted(sites):
    print("{0} is referred to in:".format(site))
    for filename in sorted(sites[site], key=str.lower):
        print("    {0}".format(filename))

I=1
J=1  
for I in (count):      #сортировка списка List
    for J in (count-I):
        if List[i]>List[i+1]:
            temp=List[i]
            List[i]=List[i+1]
            List[i+1]=temp
        J+=1
    I+=1

for I in range(count):
    idxMin=I
    for J in range(I+1,count):
        if List[J]<List[idxMin]:
            idxMin=J
    temp=List[idxMin]
    List[idxMin]=List[I]
    List[I]=temp