Run scenarios from yaml

.run_scenarios_from_yaml(
   config_data, show_country_figures, show_map_figures, web_interface
)

Run the scenario in a loop, for each scenario specified, and using all data defined from the scenarios config file

.load_config_data(
   yaml_filename
)

Load the configuration data for the scenarios from a YAML file in the "scenarios/" directory.

.print_usage_message(
   repo_root
)

.get_input_args(
   args
)

Get the input arguments from the command line. Print an error message if usage is incorrect.