code: def unite(iterable):
      """Turns a two dimensional array into a one dimensional."""
      return set(typ for types in iterable for typ in types)
  
imports: import sys
  import contextlib
  import functools
  import re
  import os
  from jedi._compatibility import reraise
label_desc: Use image node_id 2 for calling a global function with example usage: unite(iterable) and returns: set