A simple function to order a list.

max_of.py

def max_of(list):
    for a in reversed(range(1, len(list)+1)):
        for b in range(1, a):
            if list[b-1] > list[b]:
                temp = list[b-1]
                list[b-1] = list[b]
                list[b] = temp
    return list

#Example
print(max_of([5,9,12,7,4,5,15,75]))