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'
+g = ''
+with open(r"D:\文件读写\boo.txt",'a',encoding = 'utf-8') as file:
+    d = file.write('hehj\n')
+with open(r"D:\文件读写\boo.txt",'r',encoding = 'utf-8') as file:    
+    for d in file:
+        if'小红：黄境淳'in d:
+            d = d.replace("小红：黄境淳","小红：黄牛")
+        g+=d
\ No newline at end of file