save project

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'
+file1=open(r'C:\Users\Administrator\Desktop\新建文件夹.txt','w',encoding='utf-8')
+file1.write("小兰：12本\n")
+file1.write("小丽：11本\n")
+file1.write("李文：9本\n")
+file1.write("张伟：16本\n")
+file1.close()
+with open(r'C:\Users\Administrator\Desktop\新建文件夹.txt','a',encoding='utf-8')as file1:
+    file1.write("小强:10本")
+new_date=""
+with open(r'C:\Users\Administrator\Desktop\新建文件夹.txt','r',encoding='utf-8')as file1: 
+    for date in file1:
+        if '小强:10本' in date:
+            date=date.replace('10','11')
+        new_date+=date
+with open(r'C:\Users\Administrator\Desktop\新建文件夹.txt','w',encoding='utf-8') as file1: 
+    file1.write(new_date)      
\ No newline at end of file