auto save

11.py

+with open(r'\\Mac\Home\Desktop\book.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if '小强：10本' in data:
+            print("小强数据在")
+        if '小兰：10本' in data:
+            print("小兰数据在")
+   
+
+# with open(r'\\Mac\Home\Desktop\book.txt','r',encoding='utf-8') as file:
+#     for data in file:
+#         if '小强：10本' in data:
+#             print('小强数据在文件中')
+#         if '小兰：12本'in data:
+#             print('小兰数据在文件中')
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