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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 _look_for_vboxnet(self, interface_number):
 """ Look for the VirtualBox network name associated with a host only interface. :returns: None or vboxnet name """


        result = yield from self._execute("showvminfo", [self._vmname, "--machinereadable"])
        for info in result.splitlines():
            if '=' in info:
                name, value = info.split('=', 1)
                if name == "hostonlyadapter{}".format(interface_number):
                    return value.strip('"')
        return None