def foo(a,b) -> int:
    return a+b

c = foo(10,5)
d = [10, 5, 3, 15, 32, 182]
e = (d[0]+d[1]+d[2]+d[3]+d[4]+d[5])/6
f = 0
for i in range(len(d)):
    f += d[i]

print(f/len(d))
print(e)

#------------------------

print ("range:",range(len(d)))

def baba(a,b) -> int:
    return a*a

for i in 1,5:
    print ("Bobik:",d[i],"---",len (d))