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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 _start(self):
        '''Requests bot information based on current api_key, and sets
        self.whoami to dictionary with username, first_name, and id of the
        configured bot.

        '''
        if self.whoami is None:
            me = self.get_me()
            if me.get('ok', False):
                self.whoami = me['result']
            else:
                raise ValueError('Bot Cannot request information, check '
                                 'api_key')