题解 | #统计字符#

dic = {"Aa": 0, "space": 0, "num": 0, "other": 0}
s = input()
abc = "abcdefghijklmnopqrstuvwxyz"
Aa = abc + abc.upper()
num = "0123456789"
for ch in s:
    if ch == " ":
        dic["space"] += 1
        continue
    if ch in num:
        dic["num"] += 1
        continue
    if ch in Aa:
        dic["Aa"] += 1
        continue
    dic["other"] += 1
print(dic["Aa"])
print(dic["space"])
print(dic["num"])
print(dic["other"])