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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def set_password(self, service, username, password):
 """Write the password to the registry """

        # encrypt the password
        password_encrypted = _win_crypto.encrypt(password.encode('utf-8'))
        # encode with base64
        password_base64 = base64.encodestring(password_encrypted)
        # encode again to unicode
        password_saved = password_base64.decode('ascii')

        # store the password
        key_name = self._key_for_service(service)
        hkey = winreg.CreateKey(winreg.HKEY_CURRENT_USER, key_name)
        winreg.SetValueEx(hkey, username, 0, winreg.REG_SZ, password_saved)