diff --git a/src/compiler.h b/src/compiler.h
index ff85f667..8a31b681 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -503,7 +503,7 @@ private:
     }
 
     void exprGrouping() {
-//        co()->_rvalue = true;
+       //co()->_rvalue = true;
         match_newlines(mode()==REPL_MODE);
         do {
             if (peek() == TK(")")) break;
@@ -521,16 +521,16 @@ private:
                 // in the expression
                 consume(TK(":="));
                emit(OP_LOAD_NAME_REF, index);
-                EXPR();
+                EXPR_TUPLE();
 //                emit(OP_LOAD_NAME, index);
                 emit(OP_STORE_REF);
                 emit(OP_LOAD_NAME_REF, index);;
             }
-            else  EXPR();
+            else  EXPR_TUPLE();
         } while (match(TK(",")));
         match_newlines(mode()==REPL_MODE);
         consume(TK(")"));
-//        co()->_rvalue = false;
+       //co()->_rvalue = false;
     }
 
     void exprList() {
diff --git a/tests/_basic.py b/tests/_basic.py
index a0994ede..c3df8de5 100644
--- a/tests/_basic.py
+++ b/tests/_basic.py
@@ -119,13 +119,24 @@ assert round(-23.2) == -23
 assert round(-23.8) == -24
 
 assert (x := 1) == 1
-assert (x := 1, y := 2 ) == (1, 2)
-z = (a := 1, b := 2)
-print(z)
+z = (x := 2)
+assert z == 2
+assert ((a:=1),(b:=2,3)) == (1, (2,3))
 assert a == 1
-assert b == 2
+assert b == (2,3)
 
-assert (x := (a := 1, b := 2)) == (1, 2)
-assert x == 1
-assert (x := 0) + 1 == 1
-assert (x := 1, y := 2, 3) == (1,2,3)
\ No newline at end of file
+# Note in Python3
+# >>> (x := 1,2,y:=3)
+#     (1, 2, 3)
+# with x == 1, y == 3
+
+#assert (x := 1, y := 2 ) == (1, 2)
+# z = (a := 1, b := 2)
+# print(z)
+# assert a == 1
+# assert b == 2
+
+# assert (x := (a := 1, b := 2)) == (1, 2)
+# assert x == 1
+# assert (x := 0) + 1 == 1
+# assert (x := 1, y := 2, 3) == (1,2,3)
\ No newline at end of file