T_NAME       'x'           (1, 0) (1, 1)
T_OP         '+'           (1, 1) (1, 2)
T_NAME       'y'           (1, 2) (1, 3)
T_OP         '='           (1, 4) (1, 5)
T_NUMBER     '3e-1230'     (1, 6) (1, 13)
T_ENDMARKER  ''            (2, 0) (2, 0)