save project

day.py

+class
\ No newline at end of file

diy.py

+new_data=''
+with open('C:\Users\Administrator\.belleditor\extensions','w',encoding='utf-8') as file1:
+    for data in filr1:
+        if '小强:10本'in data:
+            data=data.replace('小强:10本','小强:11本')
+        if '小兰:12本'in data:
+            data=data.replace('小兰:12本','小兰:14本')
+        new_data+=data
 
+with open('C:\Users\Administrator\.belleditor\extensions','w',encoding='utf-8') as file1:
+    file1.write(new_data)
 
-
-with open('C:\User\book.txt','w',encoding='utf-8') as k:
-    k.write('李明：15本')
-    k.write('小张：12本')
-for i in range(i): 
-    print(k.read)   
\ No newline at end of file
+with open('C:\Users\Administrator\.belleditor\extensions','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file