diff --git a/README.md b/README.md
index 4a0ff09..745e4be 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,5 @@
 http://blog.tanteng.me/category/develop/python3/
 
 注：IDE是PyCharm4.5，Python版本是3.4.3
+
+欢迎大家提交好的学习Python3的脚本，我会合并进来！
diff --git a/args_kwargs.py b/args_kwargs.py
index 67edeb8..4095ca7 100644
--- a/args_kwargs.py
+++ b/args_kwargs.py
@@ -7,6 +7,7 @@
 def alias(*args, **kwargs):
     print('args=', args)
     print('kwargs=', kwargs)
+    return
 
 alias(3, 23, 3, 3,a='hello',b=3,c='C')
 
diff --git a/closure.py b/closure.py
index 47dd67c..57fe5dd 100644
--- a/closure.py
+++ b/closure.py
@@ -1,8 +1,9 @@
 def hellocounter (name):
-    count=[0]
+    count=0 #PYTHON 2.x 中，要写count=[0]
     def counter():
-        count[0]+=1
-        print('Hello,',name,',',count[0],' access!')
+        nonlocal count #PYTHON 2.x 中，此行和下一行要换成count[0]+=1
+        count+=1
+        print('Hello,',name,',',count,' access!')#PYTHON 2.x 中请自觉换成str(count[0])
     return counter
 
 hello = hellocounter('ma6174')
@@ -10,6 +11,18 @@ def counter():
 hello()
 hello()
 
+'''
+执行结果
+>>> hello()
+Hello, ma6174 , 1  access!
+>>> hello()
+Hello, ma6174 , 2  access!
+>>> hello()
+Hello, ma6174 , 3  access!
+'''
+##为什么PYTHON 2.x中不直接写count而用list？这是python2的一个bug,如果用count话,会报这样一个错误:
+##UnboundLocalError: local variable 'count' referenced before assignment.
+
 def make_adder(addend):
     def adder(augend):
         return augend + addend