diff --git a/package/PikaStdLib/PikaStdLib.pyi b/package/PikaStdLib/PikaStdLib.pyi
index ff86aea40..da77a635b 100644
--- a/package/PikaStdLib/PikaStdLib.pyi
+++ b/package/PikaStdLib/PikaStdLib.pyi
@@ -28,7 +28,7 @@ class SysObj:
     def iter(arg: any) -> any: ...
 
     @staticmethod
-    def range(a1: int, a2: int) -> any: ...
+    def range(*ax) -> any: ...
 
     @staticmethod
     def print(*val, **ops): ...
diff --git a/package/PikaStdLib/PikaStdLib_RangeObj.c b/package/PikaStdLib/PikaStdLib_RangeObj.c
index a687144ca..2e4725b29 100644
--- a/package/PikaStdLib/PikaStdLib_RangeObj.c
+++ b/package/PikaStdLib/PikaStdLib_RangeObj.c
@@ -1,14 +1,10 @@
 #include "PikaObj.h"
 
 Arg* PikaStdLib_RangeObj___next__(PikaObj* self) {
-    int a1 = args_getInt(self->list, "a1");
-    int a2 = args_getInt(self->list, "a2");
-    int start = 0;
-    int end = 0;
-    int foot = 1;
+    int start = args_getInt(self->list, "_start");
+    int end = args_getInt(self->list, "_end");
+    int step = args_getInt(self->list, "_step");
     /* only start and end */
-    start = a1;
-    end = a2;
     /* start */
     int iter_i = args_getInt(self->list, "iter_i");
     /* iter_i is not inited */
@@ -19,6 +15,6 @@ Arg* PikaStdLib_RangeObj___next__(PikaObj* self) {
     if (iter_i >= end) {
         return arg_newNull();
     }
-    args_setInt(self->list, "iter_i", iter_i + foot);
+    args_setInt(self->list, "iter_i", iter_i + step);
     return arg_newInt(iter_i);
 }
diff --git a/package/PikaStdLib/PikaStdLib_SysObj.c b/package/PikaStdLib/PikaStdLib_SysObj.c
index 8c48facbd..2462f167d 100644
--- a/package/PikaStdLib/PikaStdLib_SysObj.c
+++ b/package/PikaStdLib/PikaStdLib_SysObj.c
@@ -184,11 +184,30 @@ Arg* PikaStdLib_SysObj_iter(PikaObj* self, Arg* arg) {
     return arg_newNull();
 }
 
-Arg* PikaStdLib_SysObj_range(PikaObj* self, int a1, int a2) {
+Arg* PikaStdLib_SysObj_range(PikaObj* self, PikaTuple* ax) {
     /* set template arg to create rangeObj */
     Arg* obj_arg = arg_newDirectObj(New_PikaStdLib_RangeObj);
-    obj_setInt(arg_getPtr(obj_arg), "a1", a1);
-    obj_setInt(arg_getPtr(obj_arg), "a2", a2);
+    PikaObj* range_obj = arg_getPtr(obj_arg);
+    if (tuple_getSize(ax) == 1) {
+        int start = 0;
+        int end = arg_getInt(tuple_getArg(ax, 0));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", 1);
+    } else if (tuple_getSize(ax) == 2) {
+        int start = arg_getInt(tuple_getArg(ax, 0));
+        int end = arg_getInt(tuple_getArg(ax, 1));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", 1);
+    } else if (tuple_getSize(ax) == 3) {
+        int start = arg_getInt(tuple_getArg(ax, 0));
+        int end = arg_getInt(tuple_getArg(ax, 1));
+        int step = arg_getInt(tuple_getArg(ax, 2));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", step);
+    }
     return obj_arg;
 }
 
diff --git a/port/linux/package/pikascript/PikaStdLib.pyi b/port/linux/package/pikascript/PikaStdLib.pyi
index ff86aea40..da77a635b 100644
--- a/port/linux/package/pikascript/PikaStdLib.pyi
+++ b/port/linux/package/pikascript/PikaStdLib.pyi
@@ -28,7 +28,7 @@ class SysObj:
     def iter(arg: any) -> any: ...
 
     @staticmethod
-    def range(a1: int, a2: int) -> any: ...
+    def range(*ax) -> any: ...
 
     @staticmethod
     def print(*val, **ops): ...
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_RangeObj.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_RangeObj.c
index a687144ca..2e4725b29 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_RangeObj.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_RangeObj.c
@@ -1,14 +1,10 @@
 #include "PikaObj.h"
 
 Arg* PikaStdLib_RangeObj___next__(PikaObj* self) {
-    int a1 = args_getInt(self->list, "a1");
-    int a2 = args_getInt(self->list, "a2");
-    int start = 0;
-    int end = 0;
-    int foot = 1;
+    int start = args_getInt(self->list, "_start");
+    int end = args_getInt(self->list, "_end");
+    int step = args_getInt(self->list, "_step");
     /* only start and end */
-    start = a1;
-    end = a2;
     /* start */
     int iter_i = args_getInt(self->list, "iter_i");
     /* iter_i is not inited */
@@ -19,6 +15,6 @@ Arg* PikaStdLib_RangeObj___next__(PikaObj* self) {
     if (iter_i >= end) {
         return arg_newNull();
     }
-    args_setInt(self->list, "iter_i", iter_i + foot);
+    args_setInt(self->list, "iter_i", iter_i + step);
     return arg_newInt(iter_i);
 }
diff --git a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
index 8c48facbd..2462f167d 100644
--- a/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
+++ b/port/linux/package/pikascript/pikascript-lib/PikaStdLib/PikaStdLib_SysObj.c
@@ -184,11 +184,30 @@ Arg* PikaStdLib_SysObj_iter(PikaObj* self, Arg* arg) {
     return arg_newNull();
 }
 
-Arg* PikaStdLib_SysObj_range(PikaObj* self, int a1, int a2) {
+Arg* PikaStdLib_SysObj_range(PikaObj* self, PikaTuple* ax) {
     /* set template arg to create rangeObj */
     Arg* obj_arg = arg_newDirectObj(New_PikaStdLib_RangeObj);
-    obj_setInt(arg_getPtr(obj_arg), "a1", a1);
-    obj_setInt(arg_getPtr(obj_arg), "a2", a2);
+    PikaObj* range_obj = arg_getPtr(obj_arg);
+    if (tuple_getSize(ax) == 1) {
+        int start = 0;
+        int end = arg_getInt(tuple_getArg(ax, 0));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", 1);
+    } else if (tuple_getSize(ax) == 2) {
+        int start = arg_getInt(tuple_getArg(ax, 0));
+        int end = arg_getInt(tuple_getArg(ax, 1));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", 1);
+    } else if (tuple_getSize(ax) == 3) {
+        int start = arg_getInt(tuple_getArg(ax, 0));
+        int end = arg_getInt(tuple_getArg(ax, 1));
+        int step = arg_getInt(tuple_getArg(ax, 2));
+        obj_setInt(range_obj, "_start", start);
+        obj_setInt(range_obj, "_end", end);
+        obj_setInt(range_obj, "_step", step);
+    }
     return obj_arg;
 }
 
diff --git a/port/linux/test/VM-test.cpp b/port/linux/test/VM-test.cpp
index e953a6599..3be2083fa 100644
--- a/port/linux/test/VM-test.cpp
+++ b/port/linux/test/VM-test.cpp
@@ -1549,3 +1549,45 @@ TEST(vm, multi_return_fn) {
     EXPECT_EQ(pikaMemNow(), 0);
 }
 #endif
+
+TEST(vm, rang_1) {
+    /* init */
+    pikaMemInfo.heapUsedMax = 0;
+    PikaObj* pikaMain = newRootObj("pikaMain", New_PikaMain);
+    extern unsigned char pikaModules_py_a[];
+    obj_linkLibrary(pikaMain, pikaModules_py_a);
+    /* run */
+    __platform_printf("BEGIN\r\n");
+    obj_run(pikaMain,
+            "sum = 0\n"
+            "for i in range(10):\n"
+            "    sum += i\n");
+    /* collect */
+    int sum = obj_getInt(pikaMain, "sum");
+    /* assert */
+    EXPECT_EQ(sum, 45);
+    /* deinit */
+    obj_deinit(pikaMain);
+    EXPECT_EQ(pikaMemNow(), 0);
+}
+
+TEST(vm, rang_3) {
+    /* init */
+    pikaMemInfo.heapUsedMax = 0;
+    PikaObj* pikaMain = newRootObj("pikaMain", New_PikaMain);
+    extern unsigned char pikaModules_py_a[];
+    obj_linkLibrary(pikaMain, pikaModules_py_a);
+    /* run */
+    __platform_printf("BEGIN\r\n");
+    obj_run(pikaMain,
+            "sum = 0\n"
+            "for i in range(-5, 20, 2):\n"
+            "    sum += i\n");
+    /* collect */
+    int sum = obj_getInt(pikaMain, "sum");
+    /* assert */
+    EXPECT_EQ(sum, 91);
+    /* deinit */
+    obj_deinit(pikaMain);
+    EXPECT_EQ(pikaMemNow(), 0);
+}