<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def getStrips(self, scraperobj):
 """Download comic strips."""

        with lock:
            host_lock = get_host_lock(scraperobj.url)
        with host_lock:
            self._getStrips(scraperobj)