Python生成密码库功能示例

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#!/usr/bin/pythonimport stringletters = string.letters + string.digits + string.punctuationlength = len(letters)fwrite = open("/tmp/genpass.txt","wt")fread = open("/tmp/genpass.txt","r")for num in xrange(8):    for times in xrange(length**num):        line=fread.read(num+1).rstrip()        for letter in letters:            fwrite.write(line + letter + "/n")    fwrite.flush()fwrite.close()fread.close()