无题

import sys
m = {}
keys = []
ifile = open(sys.argv[1], 'r')
ofile = open(sys.argv[2], 'w')
while True:
    line = ifile.readline()
    if len(line) == 0:
        break
    line.strip()
    tmp = line.split(' ')
    if not m.has_key(tmp[1]):
        m[tmp[1]] = []
    m[tmp[1]].append(tmp[2])
    if keys.count(tmp[1]) == 0:
        keys.append(tmp[1])
keys.sort()

for key in keys:
    ofile.write(key)
    ofile.write("\n");
    m[key].sort()
    for ele in m[key]:
        ofile.write(ele)
    ofile.write("\n");
ifile.close()
ofile.close()