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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 migrate_keys(self, host, port, keys, dest_db, timeout, *, copy=False, replace=False):
 """Atomically transfer keys from one Redis instance to another one. Keys argument must be list/tuple of keys to migrate. """

        if not isinstance(host, str):
            raise TypeError("host argument must be str")
        if not isinstance(timeout, int):
            raise TypeError("timeout argument must be int")
        if not isinstance(dest_db, int):
            raise TypeError("dest_db argument must be int")
        if not isinstance(keys, (list, tuple)):
            raise TypeError("keys argument must be list or tuple")
        if not host:
            raise ValueError("Got empty host")
        if dest_db < 0:
            raise ValueError("dest_db must be greater equal 0")
        if timeout < 0:
            raise ValueError("timeout must be greater equal 0")
        if not keys:
            raise ValueError("keys must not be empty")

        flags = []
        if copy:
            flags.append(b'COPY')
        if replace:
            flags.append(b'REPLACE')
        flags.append(b'KEYS')
        flags.extend(keys)
        fut = self.execute(b'MIGRATE', host, port,
                           "", dest_db, timeout, *flags)
        return wait_ok(fut)