save project

diy.py

+new_data=''
+with open(r'D:\\zm\\嗨害嘿.txt','r',encoding='utf-8') as file:
+    for data in file1:
+        if '小强: 10本' in data:
+            data=data.replace('1','2')
+        new_data +=data
+with open(r'D:\\zm\\嗨害嘿.txt','r',encoding='utf-8') as filel:
+    filel.write(new_data)
\ No newline at end of file