题解 | #字符个数统计#
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
import sys
for line in sys.stdin:
a = line.split()
my_set = set()
for k in a[0]:
my_set.add(k)
print(len(my_set))
字符个数统计
https://www.nowcoder.com/practice/eb94f6a5b2ba49c6ac72d40b5ce95f50
import sys
for line in sys.stdin:
a = line.split()
my_set = set()
for k in a[0]:
my_set.add(k)
print(len(my_set))
相关推荐