save project

diy.py

@@ -2,8 +2,12 @@ fil1=open(r'C:\Users\Administrator\Desktop\周珈伊.txt','a',encoding='utf-8')
 fil1.write('小兰:12本\n小丽:11本\n李文:9本\n张伟:16本')
 fil1.write('小兰:12本\n小丽:11本\n李文:9本\n张伟:16本')
 fil1.write('小强:12本\n')
 fil1.write('小强:12本\n')
 fil1.close()
 fil1.close()
-with open(r'C:\Users\Administrator\Desktop\周珈伊.txt','r',encoding='utf-8') as fil1:
+with open (r'C:\Users\Administrator\Desktop\周珈伊.txt','r',encoding='utf-8') as fil1:
     a=fil1.read()
     a=fil1.read()
     for i in a:
     for i in a:
-        if '小强:10本' in i:
-         print('在文件中')
+        if '小强:12本' in i:
+            a = fil1.replace('小强:12本','小强:10本')
\ No newline at end of file
+            b = b+a
+with open (r'C:\Users\Administrator\Desktop\周珈伊.txt','w',encoding='utf-8') as fil1:
+    fil1.write(b)
+         
\ No newline at end of file