can you add coments to this code? 
def evolve_fire(graph, start_node):
    if len(graph.get_burnt_vertices()) == 0:
        graph.NAME_1_as_burning(start_node)
    else:
        ##SPREAD THE FIRE
        for burning_vertex in graph.get_burnt_vertices():
            #Get its neighbours
            neighbors=graph.get_neighbors(burning_vertex)
            #If they are not already burnt
            for neighbor in neighbors:
                #if (graph.is_burning(neighbor) or graph.is_protected(neighbor)) is False:
                if graph.is_burning(neighbor) is False:

                    if random.uniform(0, 1) < fire_spread_prob(graph.get_burn_time(burning_vertex)):
                                                
                        graph.NAME_1_as_burning(neighbor)
        #If a vertex has burned for over x time set as defunct fire
        for burning_vertex in graph.get_burnt_vertices():
            fire_spread_prob(graph.get_burn_time(burning_vertex))
                     Provide exactly two different responses that are separated with 6 asterisk symbols: ******.
user