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=(r"C:\Users\CM\Desktop\Helloblock\text.txt",'r',encoding='utf-8')as file1
+file1=(r"C:\Users\CM\Desktop\Helloblock\text.txt",'r',encoding='utf-8')as file1:
 for data in file1:
     if'小强:10本'in data:
-        print('数据在文件中')
+       dataa=data.replacea('小强:10本','小强:11本')
+    new_data +=data
+with open(r"C:\Users\CM\Desktop\Helloblock\text.txt",'r',encoding='utf-8')as file1:
+    file1.write(new_data)
 #file1.write("小兰:12本")
 #file1.write("小丽:11本")
 #file1.write("李文:9本")