save project

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
 fill=open('C:\\Users\\yu\\Desktop\\编程\\tt.txt','w',encoding='gb2312')
 fill=open('C:\\Users\\yu\\Desktop\\编程\\tt.txt','w',encoding='gb2312')
-fill.write("小兰:12本\n")
+fill.write("小兰:11本\n")
 fill.write("小丽:11本\n")
 fill.write("小丽:11本\n")
 fill.write("李文:9本\n")
 fill.write("李文:9本\n")
 fill.write("张伟:16本\n")
 fill.write("张伟:16本\n")
@@ -9,8 +9,12 @@ fill.close()
 
 
 #with open('C:\\Users\\yu\\Desktop\\编程\\tt.txt','a',encoding='gb2312') as fill:
 #with open('C:\\Users\\yu\\Desktop\\编程\\tt.txt','a',encoding='gb2312') as fill:
     #fill.write("小红：999999本\n")
     #fill.write("小红：999999本\n")
+new_1=''
 with open('C:\\Users\\yu\Desktop\\编程\\tt.txt','r',encoding='gb2312') as fill:
 with open('C:\\Users\\yu\Desktop\\编程\\tt.txt','r',encoding='gb2312') as fill:
-    a=fill.read()
-    for i in a:
-        if '小兰:12本' in i:
-    
+    for data in fill:
+        if '小兰:11本' in data:
+            new_1=data.replace('小兰:11本','小兰:9999999999999999999999999999本')
+    new_1=new_1+data
\ No newline at end of file
+with open('C:\\Users\\yu\Desktop\\编程\\tt.txt','w',encoding='gb2312') as fill:
+    fill.write(new_1)
+    print(new_1) 
\ No newline at end of file