pm {'system''source''i_meas''i_ref'signals pm {'system''source'signals out[ ]{'i_meas''i_ref'in [ ]for in signalsprint(si_meas i_ref in [ ]help(sethelp on class set in module builtinsclass set(objectset(-new empty set object set(iterable-new set object build an unordered collection of unique elements methods defined here__and__(selfvalue/return self&value __contains__x __contains__(yy in __eq__(selfvalue/return self==value __ge__(selfvalue/return self>=value __getattribute__(selfname/return getattr(selfname__gt__(selfvalue/return self>value __iand__(selfvalue/return self&=value __init__(self/*args**kwargsinitialize self see help(type(self)for accurate signature __ior__(selfvalue/return self|=value __isub__(selfvalue/return self-=value __iter__(self/implement iter(self__ixor__(selfvalue/return self^=value __le__(selfvalue/return self<=value __len__(self/return len(self