auto save

first.py

+file1=open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8')
+# a=file1.read()
+# print(a)
+print(file1.read())
+#关闭文件
+file1.close()
+print('*'*30)
+with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8') as file2:
+
+    for data in file2:
+      if '小强,10本' in data:
+         print("数据在文件中!")
+         
+    a=file2.read()
+    print(a)
+
+
+