def total_coverage(self):
if '<STR_LIT>' in self.FORMAT:<EOL><INDENT>return sum([int(x) for x in self.FORMAT['<STR_LIT>'].split('<STR_LIT:U+002C>')])<EOL><DEDENT>else:<EOL><INDENT>return None<EOL><DEDENT>
Returns the sum of COV data, if present. Otherwise returns None