graph TD; create_data(create_data)==>transformation_function_1(transformation_function_1); create_data(create_data)==>transformation_function_2(transformation_function_2); transformation_function_1(transformation_function_1)==>append_data(append_data); transformation_function_2(transformation_function_2)==>append_data(append_data); append_data(append_data)==>show_data(show_data);