save project

diy.py

-#"C:\Users\Windows 10\Desktop\111.txt"
-file = open(r"C:\Users\Windows 10\Desktop\111.txt,"w",encoding="utf-8")
-file.write("小兰,12本"，‘、"小丽,11本",李文,9本",张伟,本")
+new_data=''
+ with open(r"C:\Users\Windows 10\Desktop\111.txt,"w",encoding="utf-8")as filel:
+    for data in file1
\ No newline at end of file
+    if '小强：10本' in data
+        data=data.replace('小强：10本','小强：11本')
+         new_data +=data 
+