auto save

xuyuyang.py/.py

+with open(r"C:\xuyuyang\test.txt",'a',encoding='utf=8') as file1:
+    file1.write("小丽，10本\n")
+
+with open(r"C:\xuyuyang\test.txt",'r',encoding='utf=8') as file1:
+    for data in file1:
+        if"小丽，10本" in data:
+            print("在数据中")
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