finish No.0004

Will · web-flow · commit 1294d21117a8 · 2017-09-17T23:11:04.000+08:00
diff --git a/will/0004/sum.py b/will/0004/sum.py
@@ -0,0 +1,21 @@
+# 第 0004 题： 任一个英文的纯文本文件，统计其中的单词出现的个数。
+
+import re
+path = './a.txt'
+
+def count(data):
+    words = re.compile('[a-zA-Z0-9]+')
+    di = {}
+    for i in words.findall(data):
+        if i not in di:
+            di[i] = 1
+        else:
+            di[i] += 1
+    return di
+
+if __name__ == '__main__':
+    with open(path, 'r') as file:
+        data = file.read().lower()
+        sumofword = count(data)
+        print(sumofword)
+        file.close()
