auto save

test.py

+file=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
+file.write('a=a\n')
+file.write('b=b')
+file.close()
+
+
+
+
+
+
+
+
+
+
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8')as file:
+    for data in file:
+        if'a=a'in data:
+            print('数据')
\ No newline at end of file