code: def append(self, elem):
      if self.size < self.maxsize:
          self.list[self.size] = elem
          self.size += 1
      else:
          self.list[self.offset] = elem
          self.offset = (self.offset + 1) % self.maxsize
  
label_desc: Use image node_id 2 for calling the Circle obj's underlying member method code with example usage: obj.append(elem) without return types