code: def pushpop(l, v):
      l.append(v)
      yield
      l.pop()
  
imports: import gast
  from pythran.tables import MODULES
  from pythran.conversion import mangle, demangle
  from functools import reduce
  from contextlib import contextmanager
label_desc: Use image node_id 16 for calling a global function with example usage: pushpop(l, v) without return types