(CommandList children: [ (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:NUM_NODES) op: Equal rhs: { (BracedVarSub token: <VSub_Name NUM_NODES> suffix_op: (StringUnary op_id:VTest_ColonHyphen arg_word:{(2)}) spids: [45 49] ) } spids: [44] ) ] spids: [44] ) ] )