A short snippet that allows us to split a continuous list into sub-lists of N numbers

20221006_splitListNChunks.py

# a short snippet that allows us to split a continuous list into sub-lists of N numbers
def splitList(inList, subListSize):
    '''
    splits a continuous list into sub-lists of N numbers
    inList - <list> a list of elements to split
    subListSize - <int> the chunk size to split inList into

    returns a list of sublists the size of subListSize
    '''
    a = list(range(12))
    steps = subListSize
    listOfN = []
    for count in range(len(a)//steps):
        # print(count)
        listOfN.append(a[count*steps : (count*steps)+steps])
    print(listOfN)
    return listOfN

# sample runs
# note that any leftover elements in the list are truncated (ignored)

# list of 12 items split into chunks of 3
# in list is [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
print(splitList(list(range(12)), 3))
# output:
# [[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]]

# list of 12 items split into chunks of 4
# in list is [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
print(splitList(list(range(12)), 4))
# output:
# [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11]]

# list of 12 items split into chunks of 2
# in list is [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
print(splitList(list(range(12)), 2))
# output:
# [[0, 1], [2, 3], [4, 5], [6, 7], [8, 9], [10, 11]]