统计字符

def solve(s):
    english = sum(1 for c in s if c.isalpha())
    space = sum(1 for c in s if c == ' ')
    digit = sum(1 for c in s if c.isdigit())
    other = len(s) - english - space - digit
    print(english)
    print(space)
    print(digit)
    print(other)