How to use the azure-storage-common.azure.storage.common.models.AccountPermissions function in azure-storage-common

def __str__(self):
        return (('r' if self.read else '') +
                ('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

def __add__(self, other):
        return AccountPermissions(_str=str(self) + str(other))

    def __str__(self):
        return (('r' if self.read else '') +
                ('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

return (('r' if self.read else '') +
                ('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

def __add__(self, other):
        return AccountPermissions(_str=str(self) + str(other))

    def __str__(self):
        return (('r' if self.read else '') +
                ('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)

def __add__(self, other):
        return AccountPermissions(_str=str(self) + str(other))

return AccountPermissions(_str=str(self) + str(other))

    def __str__(self):
        return (('r' if self.read else '') +
                ('w' if self.write else '') +
                ('d' if self.delete else '') +
                ('l' if self.list else '') +
                ('a' if self.add else '') +
                ('c' if self.create else '') +
                ('u' if self.update else '') +
                ('p' if self.process else ''))


AccountPermissions.READ = AccountPermissions(read=True)
AccountPermissions.WRITE = AccountPermissions(write=True)
AccountPermissions.DELETE = AccountPermissions(delete=True)
AccountPermissions.LIST = AccountPermissions(list=True)
AccountPermissions.ADD = AccountPermissions(add=True)
AccountPermissions.CREATE = AccountPermissions(create=True)
AccountPermissions.UPDATE = AccountPermissions(update=True)
AccountPermissions.PROCESS = AccountPermissions(process=True)