code: def _drop(self, count):
      if count < 0:
          raise IndexError("PList index out of range")
  
      head = self
      while count > 0:
          head = head.rest
          count -= 1
  
      return head
  
imports: from ._compat import Sequence, Hashable
  from numbers import Integral
  from functools import reduce
label_desc: Use image node_id 12 for calling the _PListBase obj's underlying member method code with example usage: obj._drop(count) and returns: head