1  from itertools import ifilter, imap, izip
   2  from typing import Any
   3  
   4  filter = ifilter
   5  map = imap
   6  zip = izip
   7  
   8  def ascii(obj: Any) -> str: ...
   9  def hex(x: int) -> str: ...
  10  def oct(x: int) -> str: ...
  11