python 代码块:
str1=input('请输入字符')
print(str1)
nCount=sCount=oCount=aCount=0
print('len(str1)',len(str1))
for i in str1:
if i.isalpha():
aCount +=1
elif i.isdigit():
nCount +=1
elif i.isspace():
sCount +=1
else:
oCount +=1
print('字母',aCount)
print('数字',nCount)
print('空格',sCount)
print('其他',oCount)