auto save

ddd.py

+file=open("C:\\Users\\TH\\Desktop\\czt","a",encoding="utf-8")
+file=open(r"C:\Users\TH\Desktop\czt","w",encoding="utf-8")
+
+
+5. with open() as 打开方式2    不需要关闭文件
+with open("路径",mode,encoding="utf-8") as 文件名：
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