Python MD5 dict bruter

MD5FILE="MDlist.txt"
DICTFILE="Dict.txt"
RESULTFILE="BruteRes.txt"

import _md5

mds=[]
res={} #{MD5:crack,MD5:crack...}
used=[]

#md=_md5.new(...)
#z=md.digest()

with open(MD5FILE,"r") as mdf:
    mds=mdf.read().split("\n")

with open(DICTFILE,"r") as df:
    while True:
        c=df.readline().strip("\n")
        if c in used:
            break
        used.append(c)
        md=_md5.new()
        md.update(c)
        curr=md.hexdigest()
        if curr in mds:
            mds.pop(mds.index(curr))
            res[curr]=c
cRes=""
for k in res:
    cRes+=k+" : "+res[k]+"\n"

if len(res)==0:
    print "No results :("
else:
    print "Found "+str(len(res))+" hashes."

with open(RESULTFILE,"w") as rf:
    rf.write(cRes)