additional test

src/parser.y

@@ -27,7 +27,7 @@
 %token <std::string> IDENTIFIER
 %token <std::string> STRING
 %token <int> NUMBER
-%token ASSIGN PLUS MINUS L_PAREN R_PAREN COLON
+%token ASSIGN PLUS MINUS L_PAREN R_PAREN COLON EQ NE LT GT LTE GTE MULTIPLY DIVIDE MODULO L_BRACKET L_BRACE R_BRACKET R_BRACE DOT SEMICOLON COMMA
 %token KW_DEF KW_IF KW_RETURN KW_FOR KW_IN
 %token EOF NEWLINE INDENT DEDENT