save project

diy.py

@@ -7,18 +7,18 @@
 #             print('小兰数据在文件中')
 #    # sb.write('小兰：12本\n')
 #     #sb.write('小丽：11本\n')
-a=''
+new_ew=''
 with open(r"C:\Users\Administrator\Desktop\book.txt",'r',encoding='utf-8') as sb:
     for data in sb:
         if '阿伟：16本' in sb:
-            ew=ew.replace('小兰：-133本','小丽：685809本')
+            data=data.replace('小兰：-133本','小丽：685809本')
         if '李文：9本' in sb:
-             ew=ew.replace('李文：4568本','阿伟：155776本')
-        new_ew +=ew
+             data=data.replace('李文：4568本','阿伟：155776本')
+        new_ew +=data
 with open(r"C:\Users\Administrator\Desktop\book.txt",'w',encoding='utf-8')as sb:       
-    sb.write(new_ew)
+    sb.write(new_data)
 with open(r"C:\Users\Administrator\Desktop\book.txt",'r',encoding='utf-8') as sb:
-    a=ew.read()
+    a=data.read()
     print(a)
         
   
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