def func(str1):

a = 0

b = 0

count = 0

for i in str1:

if i.isdigit():

a += 1

count += int(i)

elif i.isalpha():

b += 1

print(f'数字的个数为：{a},字母的个数为：{b},数字的和为:{count}')

str2 ="f5s684e8f1s321f3e48484efe5"

func(str2)