12题，简单采用系统自带的find函数查找子串

lwhhhh · lwhhhh · commit 407fae2ecc4e · 2016-01-27T18:55:25.000+08:00
diff --git a/lwh/12/demo.txt b/lwh/12/demo.txt
@@ -0,0 +1,11 @@
+北京
+程序员
+公务员
+领导
+牛比
+牛逼
+你娘
+你妈
+love
+sex
+jiangge
diff --git a/lwh/12/filter.py b/lwh/12/filter.py
@@ -0,0 +1,31 @@
+import re
+import string
+
+
+class Filter(object):
+
+    def __init__(self):
+        self.filtered_word_list = []
+        self.readIO()
+
+    def check(self, word_input):
+        res = word_input
+        for e in self.filtered_word_list:
+            # print(e)
+            if e in word_input:
+                res = res.replace(e, '*' * len(e))
+        return res
+
+    def readIO(self):
+        with open('demo.txt', 'r') as f:
+            s_temp = f.readline().strip()
+            while s_temp != "":
+                self.filtered_word_list.append(s_temp)
+                s_temp = f.readline().strip()
+
+if __name__ == "__main__":
+    filter_obj = Filter()
+    while True:
+        word_input = input("Enter a sentence to check >")
+        str_ans = filter_obj.check(word_input)
+        print(str_ans)

-Original file line number
+Diff line change
@@ @@ -0,0 +1,11 @@ @@
 +北京
 +程序员
 +公务员
 +领导
 +牛比
 +牛逼
 +你娘
 +你妈
 +love
 +sex
 +jiangge