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'
+with open(r"C:\Users\86186\Desktop\5677\123.txt","w",encoding = 'utf-8') as file1:
+    file1.write('小兰：12本小丽：11本李文：9本张伟：16本\n郑路：39本')
+content_new =""
+with open(r"C:\Users\86186\Desktop\5677\123.txt","r",encoding = 'utf-8') as file1:
+    for content in file1:
+        print(content)
+#         if "郑路" in content:
+#            content = content.replace("郑路：39本","郑路：100本")
+#         content_new += content
+#         print(content_new)
+# with open(r"C:\Users\86186\Desktop\5677\123.txt","w",encoding = 'utf-8') as file1:
+#     file1.write(content_new)
+
+