
    Given a collection of delivery routes where each route contains a sequence of delivery location IDs, find the route that has the most delivery stops. The route with the most stops will help determine which delivery driver has the heaviest workload for resource allocation and scheduling purposes.
    

    
def max_length(list1):
    """
    Given a collection of delivery routes where each route contains a sequence of delivery location IDs, find the route that has the most delivery stops. The route with the most stops will help determine which delivery driver has the heaviest workload for resource allocation and scheduling purposes.
    

    """
def max_length(list1):
    """
    Given a collection of delivery routes where each route contains a sequence of delivery location IDs, find the route that has the most delivery stops. The route with the most stops will help determine which delivery driver has the heaviest workload for resource allocation and scheduling purposes.
    

    """
    max_length = max((len(x) for x in list1))
    max_list = max((x for x in list1))
    return (max_length, max_list)