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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 _setup(self, action, line):
        ''' replace the command name from the group, alert the user of content,
            and clean up empty spaces
        '''
        bot.debug('[in]  %s' % line)

        # Replace ACTION at beginning
        line = re.sub('^%s' % action, '', line)

        # Handle continuation lines without ACTION by padding with leading space
        line = " " + line

        # Split into components
        return [x for x in self._split_line(line) if x not in ['', None]]