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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 _check_command_result(self):
 """If command result exists run these checks."""

        if self.commandResult.startswith('/bin/bash'):
            raise UtilError('%s' % self.commandResult.split(' ', 1)[1])
        if self.commandResult.startswith('/bin/mv'):
            raise UtilError('%s' % self.commandResult.split(' ', 1)[1])
        if self.commandResult.startswith('/bin/ls'):
            raise UtilError('%s' % self.commandResult.split(' ', 1)[1])
        if self.commandResult.startswith('/bin/rm'):
            raise UtilError('%s' % self.commandResult.split(' ', 1)[1])
        if 'invalid option' in self.commandResult:
            raise UtilError('%s' % self.commandResult)
        if 'Invalid option' in self.commandResult:
            raise UtilError('%s' % self.commandResult)
        if 'usage: /usr/bin/get_dossier' in self.commandResult:
            raise UtilError('%s' % self.commandResult)