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						Attribute update problem after python instantiation
						
 I have just come into contact with  Python , and currently use  python 3.6 . I have encountered some problems about class attributes. The code is as follows: 
class A():
    def __init__(self):
        self.x = 0
        self.y = 0
        self.z = [sel... 
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						Is there a tool that can extract C-sharp attributes to generate JSON?
						 is there a tool that can extract C-sharp attributes to generate JSON?  preferably the VS plug-in ... 
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						Does the web site verify whether APP? is installed or not?
						
  
 this is snapchat . It will say whether you have installed , then it is directly OPEN . If you have it, you will download  questions. How can this technology  be implemented? 
 I have found that it seems to be this tag 
<meta property="al:ios:... 
MySQL Query :  SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5 
 MySQL Error : Disk full (/tmp/#sql-temptable-64f5-4297cc6-584c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") 
 MySQL Errno : 1021 
 Message :  Disk full (/tmp/#sql-temptable-64f5-4297cc6-584c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device") 
Need Help?