- def count():
- n = list(input())
- d = {}
- for i in n:
- if ord(i) < 0 or ord(i) > 127:
- continue
- else:
- if d.get(i) is not None:
- pass
- else:
- if d.get(i) is not None:
- d[i] = 1
- if ord(i) < 0 or ord(i) > 127:
- for i in n:
- l1 = list(d.keys())
- print(len(l1))
- count()
作者 admin
张宴银，大数据开发工程师