CODE EXAMPLE FOR PYTHON

split array into chunks python

a = [1, 2, 3, 4, 5, 6 ,7 ,8 ,9]

splitedSize = 3
a_splited = [a[x:x+splitedSize] for x in range(0, len(a), splitedSize)]

print(a_splited)
# [[1, 2, 3], [4, 5, 6], [7, 8, 9]]