<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def load_from_filename(self, file_name, sep='\n'):
 """Utility function to load messages from a local filename to a queue"""

        fp = open(file_name, 'rb')
        n = self.load_from_file(fp, sep)
        fp.close()
        return n