auto save

diy.py

 # 写入同学们的捐赠明细：'小兰12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
 # 写入同学们的捐赠明细：'小兰12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
-#fill1=open(r'C:\Users\23636\Desktop\book.txt','w',encoding='utf-8')
-#fill1.write('小兰：12本\n小丽：11本\n李文：9本\n张伟：16本')
-#fill1.close()
+fill1=open(r'C:\Users\23636\Desktop\book.txt','w',encoding='utf-8')
+fill1.write('小兰：12本\n小丽：11本\n李文：9本\n张伟：16本')
+fill1.close()
 
 
-#with open(r'C:\Users\23636\Desktop\book.txt','a',encoding='utf-8')as fill1:
-    #fill1.write('小强:10本\n李明:15本')
+with open(r'C:\Users\23636\Desktop\book.txt','a',encoding='utf-8')as fill1:
+    fill1.write('小强:10本\n李明:15本\n')
+new_data=''
 with open(r'C:\Users\23636\Desktop\book.txt','r',encoding='utf-8')as fill1:
 with open(r'C:\Users\23636\Desktop\book.txt','r',encoding='utf-8')as fill1:
-    for date in fill1:
-        if '小强'in date:
-            date.replace('小强:10本','小强:11本')
-        new_date+=date
+    for data in fill1:
+        if '小强:10本' in data:
+            data=data.replace('小强:10本','小强:11本') 
+        if '小兰:12本' in data:
\ No newline at end of file
+            data=data.replace('小兰:12本','小兰:14本') 
+        new_data+=data 
+with open(r'C:\Users\23636\Desktop\book.txt','w',encoding='utf-8')as fill1:
+    fill1.write(new_data)
\ No newline at end of file