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hashlib 是把明文加密成密文的模块。

import hashlib
# md5加密
md5 = hashlib.md5()
md5.update(b'test')
print (md5.hexdigest())

# sha1加密
sha1 = hashlib.sha1()
sha1.update(b'test')
print (sha1.hexdigest())

# sha256加密
sha256 = hashlib.sha256()
sha256.update(b'test')
print (sha1.hexdigest())

# sha512加密
sha512 = hashlib.sha512()
sha512.update(b'test')
print (sha1.hexdigest())