Here is the sorting code below. The first version had "for j in range(i+1, len(L)):" instead and that properly sorted it in increasing order. Thank you.
def modSwapSort(L): 
    """ L is a list on integers """
    print("Original L: ", L)
    for i in range(len(L)):
        for j in range(len(L)): # now it starts in the same place. will always be equal to start
            if L[j] < L[i]:
                L[j], L[i] = L[i], L[j] # swap the values
                print(L)
    print("Final L: ", L)