while True:
msg = input("输入一段文字")
if not msg:continue
str_count = 0
int_count = 0
space_count = 0
special_count = 0
for i in msg:
if i.isdigit():
int_count += 1
elif i.isalpha():
str_count += 1
elif i.isspace():
space_count += 1
else:
special_count += 1
print(f"数字：{int_count}个，字母：{str_count}个，空格：{space_count}个，其他：{special_count}个，")
标签：count,字符,space,int,空格,str,msg,special,统计数字 From： https://www.cnblogs.com/sangern/p/17405868.html