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);