save project

diy.py

+new_data=' '
+with open(r'D:\王欣语\a.txt','r',encoding='UTF-8') as book:
+    for data in book:
+        if '小二：10本'in data:
+            data=data.replace('小二：10本','小二:9999本')
+        new_data+=data
+
+with open(r'D:\王欣语\a.txt','w',encoding='UTF-8') as book:
+    book.write(new_data)
\ No newline at end of file