def novel(self, record):
"""Return True if this record exhibits some behaviour that no previous
record passed in to novel has shown"""
if array_contained(record.labels, self.data):
return False
self.merge_record(record)
return True
def contained_in(self, other):
"""Return True if every behaviour observed by this record is also
observed in the other"""
return array_contained(self.labels, other.labels)
def contained_in(self, other):
"""Return True if every behaviour observed by this record is also
observed in the other"""
return array_contained(self.labels, other.labels)