python3中计算传入字符串中单个【数字】、【字母】、【空格] 以及 【其他】的个数

'''
写函数，计算传入字符串中单个【数字】、【字母】、【空格] 以及 【其他】的个数
'''
def func(str1):
number_num = char_num = space_num = other_num = 0
for char in str1:
if char.isdigit():
number_num += 1
elif char.isalpha():
char_num += 1
elif char == ' ':
space_num += 1
else:
other_num += 1
print('数字的个数为:%d,字母的个数为:%d,空格的个数为:%d,其他的个数为:%d' % (
number_num, char_num, space_num, other_num))
func('1123aaaa')