Python解统计字符

解题思路:

注意事项:

参考代码:

n = input()
a = 0
b = 0
c = 0
d = 0
for i in n:
   if (i>='a' and i<='z') or (i>='A' and i<='Z'):
       a+=1
   elif i>='0'and i<='9':
       b+=1
   elif i==' ':
       c+=1
   else:
       d+=1
print(a)
print(c)
print(b)
print(d)