2. MD5 encryption is required for the test data

import hashlib


phone_num = open("D:/testdata/phone10.txt","r")

out_file = open("D:/testdata/after_md5.txt", "w")

md5 = hashlib.md5()

for line in phone_num:
    md5.update(line.encode('utf-8'))
    r = md5.hexdigest()
    out_file.write(r+'\n')
out_file.close()
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