diff --git a/bsp/pico/pikascript/PikaStdData.py b/bsp/pico/pikascript/PikaStdData.py
new file mode 100644
index 000000000..a038e10b7
--- /dev/null
+++ b/bsp/pico/pikascript/PikaStdData.py
@@ -0,0 +1,51 @@
+from PikaObj import *
+
+
+class List(TinyObj):
+    def __init__():
+        pass
+
+    # add an arg after the end of list
+    def append(arg: any):
+        pass
+
+    # get an arg by the index
+    def get(i: int) -> any:
+        pass
+
+    # set an arg by the index
+    def set(i: int, arg: any):
+        pass
+
+    # get the length of list
+    def len() -> int:
+        pass
+
+    def __iter__() -> any:
+        pass
+
+    def __next__() -> any:
+        pass
+
+
+class Dict(TinyObj):
+    def __init__():
+        pass
+
+    # get an arg by the key
+    def get(key: str) -> any:
+        pass
+
+    # set an arg by the key
+    def set(key: str, arg: any):
+        pass
+
+    # remove an arg by the key
+    def remove(key: str):
+        pass
+
+    def __iter__() -> any:
+        pass
+
+    def __next__() -> any:
+        pass
diff --git a/bsp/pico/pikascript/main.py b/bsp/pico/pikascript/main.py
index 3664b00ae..df7f77c29 100644
--- a/bsp/pico/pikascript/main.py
+++ b/bsp/pico/pikascript/main.py
@@ -1,3 +1,83 @@
+from PikaObj import *
 import PikaStdLib
+import PikaStdData
 
-print('hello pikascript!')
\ No newline at end of file
+mem = PikaStdLib.MemChecker()
+
+print('mem used max:')
+mem.max()
+
+def EXPECT_EQ(test_name, input, expected):
+    print('-----TEST-----')
+    print(test_name)
+    if input != expected:
+        print('[Error]')
+        print(test_name)
+        print('[info] Expected:')
+        print(expected)
+        print('[info] Input:')
+        print(input)
+        # error
+        while True:
+            is_error = 1
+    else:
+        print('[ OK  ]')
+
+a = 0
+for i in range(0, 10):
+    if i == 5:
+        continue
+    a = a + i
+EXPECT_EQ('for_if_continue', a, 40)
+         
+a = 0
+for i in range(0, 10):
+    if i == 5:
+        break
+    a = a + i
+EXPECT_EQ('for_if_break', a, 10)
+
+a = 0
+for i in range(0, 10):
+    for k in range(0, 3):
+        # print(k)
+        a = a + k
+EXPECT_EQ('for_for_in_range', a, 30)
+
+a = 0
+for i in range(0, 10):
+    # print(i)
+    a = a + i
+EXPECT_EQ('for_in_range', a, 45)
+
+list = PikaStdData.List()
+list.append(7)
+list.append('eee')
+len = list.len()
+for item in list:
+    # print(item)
+    a = item
+EXPECT_EQ('list_for_loop', a, 'eee')
+
+
+list = PikaStdData.List()
+list.append(7)
+list.append('eee')
+len = list.len()
+a1 = list.get(0)
+a2 = list.get(1)
+res = iter(list)
+EXPECT_EQ('iter', res, list)
+
+dict = PikaStdData.Dict()
+dict.set('a', 1)
+dict.set('b', 2)
+dict.remove('b')
+a = dict.get('a')
+b = dict.get('b')
+EXPECT_EQ('PikaStdData', a, 1)
+EXPECT_EQ('PikaStdData_2', b, 0)
+
+print('-----------------')
+print('[Tests Succeed]')
+# print('[Succeed] All Test Apssed.')