save project

diy.py

@@ -3,6 +3,13 @@ import textwrap
 #with open("D:\\ni.txt","w",encoding="utf-8") as nihao:
 #with open("D:\\ni.txt","w",encoding="utf-8") as nihao:
     #nihao.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
     #nihao.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
 gou=open("D:\\ni.txt","r",encoding="utf-8")
 gou=open("D:\\ni.txt","r",encoding="utf-8")
+new=""
 for a in gou:
 for a in gou:
-    if "小强:10本" in gou:
+    if "小兰:12本" in gou:
         print("hao")
         print("hao")
+        gou.replace("小兰：12本","小兰：16本")
+        new+=a
+with open("D:\\ni.txt","w",encoding="utf-8") as gou:
+    gou.write(new)
+
+