import random
 
numbers = [random.randint(0, 100) for i in range(250)]
count = 0
numbers_sum = 0
for i in numbers:
    if i % 10 == 2:
        count += 1
        numbers_sum += i
print(numbers_sum / count)

 from random import randrange
a,s,j=[randrange(-9*10**100,9*10**100) for i in range(250)],0,0
for i in range(len(a)):
   if a[i]%int('1'+'0'*(len(str(a[i]))-len(str(a[i]))+1))==2 or a[i]==2:
        s,j=s+a[i],j+1
print(s/j)

 for i in a:
   #работаем с i, а не с a[i]