L = [75, 92, 59, 68, 99]

sum =0

for s in L:

    sum=sum+s

abv=sum/5

print(abv);

L = [75, 92, 59, 68, 99]

sum = 0

num = 0

for i in L:

    sum+=i

    num+=1

print(round(sum/(float(num)),2))

s1='ABC'

s2='123'

s3='xyz'

for a in s1:

    for b in s2:

        for c in s3:

            print(a+b+c)