save project

diy.py

@@ -6,7 +6,20 @@
 #file1.write('李文：9本\n')
 #file1.write('李文：9本\n')
 #file1.write('张伟：16本\n')
 #file1.write('张伟：16本\n')
 #file1.close()
 #file1.close()
+new_w =''
+with open('C:\\Users\\Administrator\\Desktop\\book.txt','r',encoding = 'utf-8') as file1:
+    for date in file1:
+        if '小兰：12本'in date:
+            date=date.replace('小兰：12本','小兰：14本')
+        new_w+=date
+with open('C:\\Users\\Administrator\\Desktop\\book.txt','w',encoding = 'utf-8') as file1:
+    file1.write(new_w)
+
+with open('C:\\Users\\Administrator\\Desktop\\book.txt','r',encoding = 'utf-8') as file1:
+    w=file1.read()
+    print(w)
+
+        
+
+
 
 
-#with open('C:\\Users\\Administrator\\Desktop\\book.txt','a',encoding = 'utf-8') as file1:
-    #file1.write('小强： 12本\n')
-    #file1.write('李明： 15本\n')
\ No newline at end of file