save project

diy.py

 with open(r'C:\Users\MK016\Desktop\'text.txt','r',encoding='utf-8')as file1:
 with open(r'C:\Users\MK016\Desktop\'text.txt','r',encoding='utf-8')as file1:
-    for data in file1:
+new i =0
+    for i in filel:
         if '小强:10本' in data:
         if '小强:10本' in data:
-            print('数据在文件中')
+            str.replace('小强:10本','小强:11本')
+        new_i=i
+
+