(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('mk', {[DQ [VarSub @]]})])
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS ".PHONY: a b\n"][LIT_CHARS "b:\n"][LIT_CHARS "\techo "][\ LIT_ESCAPED_CHAR "\\$"][LIT_CHARS "@\n"][LIT_CHARS "a:\n"][LIT_CHARS "\techo "][\ LIT_ESCAPED_CHAR "\\$"][LIT_CHARS "@\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS Makefile]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "==="]]}  )
  (Com {[VarSub mk]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS ---]]}  )
  (Com {[VarSub mk]} {[LIT_CHARS a]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS ---]]}  )
  (Com {[VarSub mk]} {[LIT_CHARS b]}  )
  (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "==="]]}  )
)