(1, LITERAL, "a") (1, SET) (1, LITERAL, "wusi") (1, OPEN_BRACKET) (1, NUMBER, 1.0) (1, CLOSE_BRACKET) (1, SEMICOLON) (2, LITERAL, "b") (2, SET) (2, LITERAL, "wusi") (2, OPEN_BRACKET) (2, NUMBER, 2.0) (2, CLOSE_BRACKET) (2, SEMICOLON) (3, LITERAL, "print") (3, OPEN_BRACKET) (3, LITERAL, "wusi") (3, OPEN_BRACKET) (3, NUMBER, 1.0) (3, CLOSE_BRACKET) (3, EQUAL) (3, LITERAL, "wusi") (3, OPEN_BRACKET) (3, NUMBER, 2.0) (3, CLOSE_BRACKET) (3, CLOSE_BRACKET) (3, SEMICOLON) (4, LITERAL, "print") (4, OPEN_BRACKET) (4, LITERAL, "a") (4, EQUAL) (4, LITERAL, "b") (4, CLOSE_BRACKET) (4, SEMICOLON) (6, FUNCTION) (6, LITERAL, "wusi") (6, OPEN_BRACKET) (6, LITERAL, "c") (6, CLOSE_BRACKET) (7, OPEN_CURVED_BRACKET) (8, LITERAL, "c") (8, ADD_SET) (8, NUMBER, 1.0) (8, SEMICOLON) (9, RETURN) (9, LITERAL, "c") (9, SEMICOLON) (10, CLOSE_CURVED_BRACKET) (11, EOF)