def list_add(lis1, lis2):
    """ Adds numbers in lis1 with the corresponding numbers in lis2,
    and returns the the tuple form of the resulting list"""
    # Create a generator which yields the item-wise sum of the 2 lists
    result = (lis1[i] + lis2[i] for i in range(len(lis1)))
    return tuple(result)