auto save

diy.py

@@ -10,7 +10,11 @@
 #file1.write('小强：12本\n')
 #file1.write('小强：12本\n')
 #file1.close()
 #file1.close()
 
 
-with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file1:
-    for data in file1:
-        if'小强：10本'in data:
-            print('数据在表格中')
+#with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file1:
+ #   for data in file1:
+  #      if'小强：10本'in data:
+  #          print('数据在表格中')
\ No newline at end of file
+file1=open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
+file1.write('小强：12本\n')
+file1.write('李明：15本\n')
+file1.close()
\ No newline at end of file