save project

diy.py

@@ -3,9 +3,18 @@
 # sell.write('小兰：12本\n')
 # sell.write('小兰：12本\n')
 # sell.write('小强: 10本\n')
 # sell.write('小强: 10本\n')
 # sell.close()
 # sell.close()
+
+new_data=''
 with open(r"C:\Users\admin\Desktop\lyj.txt","r",encoding="utf-8") as sell:  
 with open(r"C:\Users\admin\Desktop\lyj.txt","r",encoding="utf-8") as sell:  
     for data in sell:
     for data in sell:
         if '小强: 10本' in data:
         if '小强: 10本' in data:
-            print('小强数据在文件中')
+            data=data.replace('小强:10本','小强:11本')
         if '小兰: 12本' in data:
         if '小兰: 12本' in data:
-            print('小兰数据在文件中')    
+            data=data.replace('小兰:12本','小兰:14本')    
+        new_data+=data
+
+with open(r"C:\Users\admin\Desktop\lyj.txt","w",encoding="utf-8") as sell:  
+    sell.write(new_data)
+
+with open(r"C:\Users\admin\Desktop\lyj.txt","r",encoding="utf-8") as sell:
+    a=sell.read()    
\ No newline at end of file