<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def raw_comment(self):
 """Returns the raw comment text associated with that Cursor"""

        r = conf.lib.clang_Cursor_getRawCommentText(self)
        if not r:
            return None
        return str(r)