auto save

star.py

+import os
+import time
+
+#os.makedirs(r"C:\Users\LENOVO\Desktop\我去\hello\花花")
+#print("获取当前工作的目录为："+os.getcwd())
+
+with open(r"C:\Users\LENOVO\Desktop\newday.txt","w")as file:
+    file.write("这是新的一天")
+#time.sleep(1)
+
+os.rename(r"C:\Users\LENOVO\Desktop\newday.txt",r"C:\Users\LENOVO\Desktop\mylife.txt")
+print("文件名修改成功")
+#time.sleep(1)
+
+size=os.path.getsize(r"C:\Users\LENOVO\Desktop\mylife.txt")
+time.sleep(1)
+print("文件大小为%s"%size)
+os.remove(r"C:\Users\LENOVO\Desktop\mylife.txt")
+print("byebye")
+
+
+