s = input("请输入一串字符:")
sz, zm, kg, qt = 0, 0, 0, 0
for i in s:
if i.isdigit():
sz += 1
elif i.isalpha():
zm += 1
elif i.isspace():
kg += 1
else:
qt += 1
print("\n数字字符{}个,英文字符{}个,空格{}个,其他字符{}个".format(sz, zm, kg, qt))
运行结果如下图:
s= input("请输入字符串:")
d=w=t=0
for i in s:
if i.isdecimal():
d +=1
elif i.isalpha():
w +=1
else:
t +=1
print("数字{}个,英文{}个,其他{}个".format(d,w,t))