Bubble and Insertion Sort

from random import randint
from random import sample

def generateRandomList(numberOfElements):
    elements = []
    for i in range(0,numberOfElements):
        value = randint(1,100)
        elements.append(value)
    return elements

def generateRandomAlphabet():
    letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    elements = sample(letters,26)
    return elements

def bubbleSort(elements):
    print('Bubble Sort')
    swapped = True
    n = len(elements) - 1
    while swapped:
        swapped = False
        for i in range(n):
            if elements[i] > elements[i+1]:
                #elements[i], elements[i+1] = elements[i+1],elements[i]
                elements.insert(i+1,elements.pop(i))
                swapped = True
        n -= 1
    return elements

def insertionSort(elements):
    print('Insertion Sort')
    #Loop through items
    for item in range(1,len(elements)):
        #get the item to be moved into a sorted postion
        marker = item - 1
        key = elements[item]

        #Loop through sorted items until the correct sorted position is found
        #Or the start of the sorted list is reached
        while elements[marker] < key and marker >= 0:
            elements[marker + 1] = elements[marker]
            elements[marker] = key
            marker -= 1
        print(elements)
    return elements

#elements = generateRandomList(10)
elements = generateRandomAlphabet()
#elementsSorted = bubbleSort(elements[:])
print('Original List: {}'.format(elements))
elementsSorted = insertionSort(elements[:])
print('Sorted List  : {}'.format(elementsSorted))