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'
 # 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('C:\\Users\\Administrator\\Desktop\\caiong.txt','w',encoding='utf-8')
+# file1.write('小兰:12本')
+# file1.close()
+#  with open('C:\\Users\\Administrator\\Desktop\\caiong.txt','a',encoding='utf-8') as file1:
+#      file1.write('李明:12本')
+# with open('C:\\Users\\Administrator\\Desktop\\caiong.txt','r',encoding='utf-8') as file1:
+#     a=file1.read()
+#     print(a)
+with open('C:\\Users\\Administrator\\Desktop\\caiong.txt','r',encoding='utf-8') as file1:
+    for data in data file1:
+        if '小兰:12本' in data:
+            print('在')
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