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\book.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()
\ No newline at end of file
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='GBK') as file1:
+    for data in file1:
+        if '哎哎哎' in data:
+                data=data.replace('哎哎哎','哈' )
+        new_data += data
+        print(new_data)
+with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8') as file2:
+    file2.write(new_data)