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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setup(cls, configuration=None, **kwargs):
 # type: (Optional['Configuration'], Any) -> None """ Set up the HDX configuration Args: configuration (Optional[Configuration]):
 Configuration instance. Defaults to setting one up from passed arguments. **kwargs: See below user_agent (str):
 User agent string. HDXPythonLibrary/X.X.X- is prefixed. Must be supplied if remoteckan is not. user_agent_config_yaml (str):
 Path to YAML user agent configuration. Ignored if user_agent supplied. Defaults to ~/.useragent.yml. user_agent_lookup (str):
 Lookup key for YAML. Ignored if user_agent supplied. hdx_url (str):
 HDX url to use. Overrides hdx_site. hdx_site (str):
 HDX site to use eg. prod, test. hdx_read_only (bool):
 Whether to access HDX in read only mode. Defaults to False. hdx_key (str):
 Your HDX key. Ignored if hdx_read_only = True. hdx_config_dict (dict):
 HDX configuration dictionary to use instead of above 3 parameters OR hdx_config_json (str):
 Path to JSON HDX configuration OR hdx_config_yaml (str):
 Path to YAML HDX configuration project_config_dict (dict):
 Project configuration dictionary OR project_config_json (str):
 Path to JSON Project configuration OR project_config_yaml (str):
 Path to YAML Project configuration hdx_base_config_dict (dict):
 HDX base configuration dictionary OR hdx_base_config_json (str):
 Path to JSON HDX base configuration OR hdx_base_config_yaml (str):
 Path to YAML HDX base configuration. Defaults to library's internal hdx_base_configuration.yml. Returns: None """

        if configuration is None:
            cls._configuration = Configuration(**kwargs)
        else:
            cls._configuration = configuration