diy2.py

alist = [88, 75, 72, 82, 90, 85, 78, 91]

s = 0
cd = len(alist)
for i in range(cd-1):
    for j in range(cd-1-i):
        s=s+1
        if alist[j]>alist[j+1]:            
            alist[j] , alist[j+1] = alist[j+1] , alist[j]   
print(alist)