<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def styles(self, mutagen_file):
 """Yields the list of storage styles of this field that can handle the MediaFile's format. """

        for style in self._styles:
            if mutagen_file.__class__.__name__ in style.formats:
                yield style