from rt import *
######################Problem 4###########################
def comb_nest(*x):
    """prec: x is a stargument; you pass in a comma separated
    list of lists.  
    postc:  returns a list containing the sum of each of 
    the nested lists inside of x.  
    """
    #start iwth an empty list
    out = []
    # for each list inside of the list, compute the sum
    for inner_list in x:
        out.append(sum(inner_list))
    #append it to the list.
    #return list
    return out
def comb_nest(*x):
    return [sum(k) for k in x]
def main():
    print("*************** Problem 4 Tests **************")
    run_test(comb_nest, [6, 15, 15], [[1,2,3], [7, 8], [10,3,2]])
main()