split_array.py

"The number of segments cannot exceed the length of the list!"
def split_list(lst, n):
    if n <= 0: return []
    elif n > len(lst):
        return "The number of segments cannot be greater than the length of the list!"
    else:
        avg = len(lst) / n
        out = []
        last = 0.0

        while last < len(lst):
            out.append(lst[int(last):int(last + avg)])
            last += avg

        return out