from Set import INT_BITS, getIndex, Set

def errorAdd(self, element):
  if (element > self.capacity):
    raise IndexError(str(element) + " is out of range.")
  else:
    (index, bit) = getIndex(element)
    self.vector[index] |= bit
    print element, "added successfully!"

Set.add = errorAdd

s = Set(60)
s.add(59)
s.add(60)
s.add(61)