add pikaStdData

package/PikaStdData/PikaStdData.py

@@ -1,17 +1,39 @@
 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
+        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

package/PikaStdData/PikaStdData_Dict.c

@@ -0,0 +1,17 @@
+#include "PikaObj.h"
+#include "PikaStdLib_SysObj.h"
+#include "PikaStdData_Dict.h"
+
+Arg* PikaStdData_Dict_get(PikaObj* self, char* key) {
+    return arg_copy(obj_getArg(self, key));
+}
+
+void PikaStdData_Dict___init__(PikaObj* self) {}
+
+void PikaStdData_Dict_set(PikaObj* self, Arg* arg, char* key) {
+    obj_setArg(self, key, arg);
+}
+
+void PikaStdData_Dict_remove(PikaObj* self, char* key) {
+    PikaStdLib_SysObj_remove(self, key);
+}

package/PikaStdData/PikaStdData_List.c

@@ -1,4 +1,4 @@
-#include "PikaStdData_List.h"
+#include "PikaObj.h"
 
 void PikaStdData_List_append(PikaObj* self, Arg* arg) {
     int top = obj_getInt(self, "top");