auto save

diy.py

+# 写入同学们的捐赠明细：
+with open(r'C:\Users\裘鑫炜\Desktop\text.txt','a',encoding='utf-8') as file1:
+    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')
+with open(r'C:\Users\裘鑫炜\Desktop\text.txt','r',encoding='utf-8') as file1:
+    for data in life1:
+        if '小强:10本'in data:
+            print('数据在文件中')