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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 validate_configuration(config):
 # type: (Config) -> None """Validate app configuration. The purpose of this method is to provide a fail fast mechanism for anything we know is going to fail deployment. We can detect common error cases and provide the user with helpful error messages. """

    routes = config.chalice_app.routes
    validate_routes(routes)
    validate_route_content_types(routes, config.chalice_app.api.binary_types)
    _validate_manage_iam_role(config)
    validate_python_version(config)
    validate_unique_function_names(config)
    validate_feature_flags(config.chalice_app)