<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def verify_password(self, password, password_hash):
 """Verify plaintext ``password`` against ``hashed password``. Args: password(str):
 Plaintext password that the user types in. password_hash(str):
 Password hash generated by a previous call to ``hash_password()``. Returns: | True when ``password`` matches ``password_hash``. | False otherwise. Example: :: if verify_password('mypassword', user.password):
 login_user(user) """


        # Print deprecation warning if called with (password, user) instead of (password, user.password)
        if isinstance(password_hash, self.user_manager.db_manager.UserClass):
            print(
                'Deprecation warning: verify_password(password, user) has been changed'\
                ' to: verify_password(password, password_hash). The user param will be deprecated.'\
                ' Please change your call with verify_password(password, user) into'\
                ' a call with verify_password(password, user.password)'
                ' as soon as possible.')
            password_hash = password_hash.password   # effectively user.password

        # Use passlib's CryptContext to verify a password
        return self.password_crypt_context.verify(password, password_hash)