Python does not always scope variables correctly.

do_i_suck_at_scoping.py

def do_i_suck_at_scoping():
  try:
    import gc
    y = [x for x in range(5)]
    gc.collect() # Just to prove this isn't a garbage collection issue.
    x # Should throw a NameError since it is undefined.
    assert False, '''Sorry, I don't know how to properly scope variables.'''
  except NameError:
    pass

do_i_suck_at_scoping()