diff --git a/一盘大棋/A03.py b/一盘大棋/A03.py
index e69de29..15b6479 100644
--- a/一盘大棋/A03.py
+++ b/一盘大棋/A03.py
@@ -0,0 +1,13 @@
+import re, sys, collections
+from cppy.cp_util import *
+
+stopwords = set(open( stopwordfilepath,encoding = 'utf8' ).read().split(','))
+words = re.findall('[a-z]{2,}', open( testfilepath,encoding = 'utf8').read().lower())
+counts = collections.Counter(w for w in words if w not in stopwords)
+for (w, c) in counts.most_common(10):
+    print(w, '-', c)
+
+'''
+熟练的软件工程师，会如此简单完成任务
+后面的例子，我们必须变的啰嗦一些，不能用这种太 hacker 的写法
+'''
\ No newline at end of file
diff --git a/基本结构/031 对象化/tf-11.py b/基本结构/031 对象化/A21.py
similarity index 100%
rename from 基本结构/031 对象化/tf-11.py
rename to 基本结构/031 对象化/A21.py
diff --git a/基本结构/031 对象化/tf-13.py b/基本结构/031 对象化/A22.py
similarity index 100%
rename from 基本结构/031 对象化/tf-13.py
rename to 基本结构/031 对象化/A22.py
diff --git a/计算设备/注册回调/tf-15.py b/语言特性/注册回调/tf-15.py
similarity index 100%
rename from 计算设备/注册回调/tf-15.py
rename to 语言特性/注册回调/tf-15.py
diff --git a/计算设备/注册回调_订阅制/tf-16.py b/语言特性/注册回调_订阅制/tf-16.py
similarity index 100%
rename from 计算设备/注册回调_订阅制/tf-16.py
rename to 语言特性/注册回调_订阅制/tf-16.py
diff --git a/计算设备/消息驱动的对象/tf-12.py b/语言特性/消息驱动的对象/tf-12.py
similarity index 100%
rename from 计算设备/消息驱动的对象/tf-12.py
rename to 语言特性/消息驱动的对象/tf-12.py
diff --git a/计算设备/消息驱动的对象_线程独立/tf-29.py b/语言特性/消息驱动的对象_线程独立/tf-29.py
similarity index 100%
rename from 计算设备/消息驱动的对象_线程独立/tf-29.py
rename to 语言特性/消息驱动的对象_线程独立/tf-29.py