改进8题+fix4

data/1.python初阶/1.预备知识/6.编码规范/style.md

@@ -55,10 +55,12 @@ def top_words(splits, text, top_n=5):
     while i < len(text):
         c = text[i]
         if c in splits:
+            # 过滤掉分隔字符串
             while i+1 < len(text) and text[i+1] in splits:
                 i += 1
             word = ''.join(chars).lower()
 
+            # 统计词频
             # TODO(You): 请在此添加代码
 
             chars = []