s=input('input a string:\n')
letters=0
space=0
digit=0
others=0
for c in s:
if c.isalpha():
letters+=1
elif c.isspace():
space+=1
elif c.isdigit():
digit+=1
else:
others+=1
print('char=%d,space=%d,digit=%d,others=%d'%(letters,space,digit,others))
運行結果:
input a string:
gkjtrlkhgq 43678 ';m,2345gf erwhy
char=18,space=5,digit=9,others=3