class configKeys: 
    def __init__(self, key, value,label): 
        self.key = key 
        self.value = value
        self.label = label

import os
from azure.appconfiguration import AzureAppConfigurationClient, ConfigurationSetting

try:    
    connection_string = "Endpoint=***************"
    app_config_client = AzureAppConfigurationClient.from_connection_string(connection_string)
    
    filtered_listed = app_config_client.list_configuration_settings(
        label_filter="*", key_filter="*"
    )
    for item in filtered_listed:
        if (item.key.find('Key') != -1):            
            print("Key: " + item.key + ", Value: " + item.value )        
except Exception as ex:
    print('Exception:')
    print(ex)