题解 | #字符个数统计#
字符个数统计
http://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
def count_character(str1):
string = ''.join(set(str1))
count=0
for character in string:
if 0<=ord(character)<=127:
count += 1
else:
count = count
print(count)
count_character(input())
，再说不用上高数吗？