Add word count

README.md

@@ -9,6 +9,7 @@
 
 <p align='center'>
 <a href="https://github.com/halfrost/LeetCode-Go/releases/" rel="nofollow"><img alt="GitHub All Releases" src="https://img.shields.io/github/downloads/halfrost/LeetCode-Go/total?label=PDF%20downloads"></a>
+<img src="https://img.shields.io/badge/Total%20Word%20Count-738884-success">
 <img src="https://github.com/halfrost/LeetCode-Go/workflows/Deploy%20leetcode-cookbook/badge.svg?branch=master">
 <img src="https://travis-ci.org/halfrost/LeetCode-Go.svg?branch=master">
 <img src="https://goreportcard.com/badge/github.com/halfrost/LeetCode-Go">

website/content/ChapterFour/pytool/WordCount.py

@@ -0,0 +1,29 @@
+from collections import defaultdict
+import glob
+import os
+
+
+def str_count2(str):
+    count_zh = count_dg = 0
+    for s in str:
+        # 中文字符范围
+        if '\u4e00' <= s <= '\u9fff':
+            count_zh += 1
+        if s.isdigit():
+            count_dg += 1
+    # print(count_zh + count_dg)
+    return count_zh + count_dg
+
+current_working_dir = os.getcwd()
+# print(f"current_working_dir: {current_working_dir}")
+
+dir_names = glob.glob("*.md")
+dir_names.sort()
+
+word_count = 0
+for file_name in dir_names:
+    with open(file_name, "r") as myfile:
+        codeContent = myfile.read()
+        print("当前读取文件: {}, 字数统计: {}".format(file_name, str_count2(codeContent)))
+        word_count += str_count2(codeContent)
+print(word_count)