Generate all the sublists of a given list

from itertools import combinations

# Function 1 <----> Generate all the sublists of a list
# If list = [1, 2, 3], there are 8 sublists:
# [], [1], [2], [3], [1,2], [1,3], [2,3], [1,2,3]

def subLists(myList):
    N = len(myList)
    returnedList = list()
    returnedList.append([])
    for remaining in range(1, N):
        combinationsOfIndecesRemaining = list(combinations(list(range(N)), remaining))
        for comb in combinationsOfIndecesRemaining:
            sublist = list()
            for i in range(len(comb)):
                sublist.append(myList[comb[i]])
            returnedList.append(sublist)
    returnedList.append(myList)
    return returnedList

# MAIN FUNCTION
print()
l = [0, 1, 2, 3, 4]
sub = subLists(l)
print("List = " + str(l))
print("Sublists = " + str(sub))
print("There are " + str(len(sub)) + " = 2^" + str(len(l)) + " sublists of the list " + str(l))