save project

diy.py

@@ -2,13 +2,7 @@
 # with open(r'C:\Users\EDY\Desktop\book.txt','r',encoding = 'utf-8') as f:
 #     f.write('小强：12本\n')
 #     f.write('李明：15本\n')
-x = ''
 with open(r'C:\Users\EDY\Desktop\book.txt','r',encoding = 'utf-8') as f:
     for i in f:
         if '小强：12本' in i:
-            i = i.replace('小强：12','小强：11')   
-        if '小兰：12本' in i:    
-            i = i.replace('小兰：12','小兰：14')
-        x += i   
-with open(r'C:\Users\EDY\Desktop\book.txt','w',encoding = 'utf-8') as f1:  
-    f1.write(x)       
\ No newline at end of file
+            print('数据在文件中') 
\ No newline at end of file