- # 题目: 有 1,2,3,4 个数字, 能组成多少个互不相同且无重复数字的三位数? 都是多少?
- count = 0
- for i in range(1,5):
- for j in range(1,5):
- for k in range(1,5):
- if i != j and j != k and i != k:
- print (i*100 + j *10 + k)
- count += 1
- print (count)
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