save project

diy.py

+new_data=''
 with open('C:\\Users\\XMBC\\Desktop\\1.txt',"r",encoding="utf-8") as file1:
     for data in file1:
          if '小强：12本' in data:
-             print('数据在文件中')
\ No newline at end of file
+            data=data.replace('小强：12本','小强：14本')
+            new_data+=data
+with open('C:\\Users\\XMBC\\Desktop\\1.txt',"w",encoding="utf-8") as file1:
+    file1.write(new_data)
\ No newline at end of file