save project

diy.py

@@ -8,12 +8,13 @@
  #           '李明：8本\n')
  #           '李明：8本\n')
 #file1.close()
 #file1.close()
 new_a=''
 new_a=''
-with open(r"D:\Desktop\book.txt","w",encoding='utf-8') as file1:
+with open(r"D:\Desktop\book.txt","r",encoding='utf-8') as file1:
     for a in file1:
     for a in file1:
         if '小兰：12本' in a:
         if '小兰：12本' in a:
-            a='小兰：14本'
+            a=a.replace("小兰：12本",'小兰：14本')
             new_a+=a
             new_a+=a
         if '小强：12本' in a:
         if '小强：12本' in a:
-            a='小强：15本'
-            new_a+=a
-    f.with(new_a)
+            a=a.replace("小强：12本",'小强：15本')
+    new_a+=a
+with open(r"D:\Desktop\book.txt","w",encoding='utf-8') as file1:
\ No newline at end of file
+    f.write(new_a)
\ No newline at end of file