<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_setting(setting):
 """ Get the specified django setting, or it's default value """

    defaults = {
        # The context to use for rendering fields
        'TEMPLATE_FIELD_CONTEXT': {},
        # When this is False, don't do any TemplateField rendering
        'TEMPLATE_FIELD_RENDER': True
    }
    try:
        return getattr(settings, setting, defaults[setting])
    except KeyError:
        msg = "{0} is not specified in your settings".format(setting)
        raise ImproperlyConfigured(msg)