def bubbleSort(lst):
    n = len(lst)
    for i in range(n):
        for j in range(n-i-1):
            if lst[j] > lst[j+1]:
                lst[j], lst[j+1] = lst[j+1], lst[j]

lstData = [11, 2, 3, 7, 15]
bubbleSort(lstData)
print(lstData)