函数f打印出1,2,3的6个排列，空缺语句是 def f(n): for a in range(1,n): for b in range(1,n): for c in range(1,n): if ______________: print(a,b,c) _________
举一反三
- 下列函数能够求n的阶乘n!的是 A: f = lambda n: n! B: def f(n): s=1 for i in range(n): s = s * i return s C: def f(n): s=1 for i in range(n,0,-1): s = s * i return s D: def f(n): if n == 1: return 1 else: return f(n-1)*n
- 在以下函数中，i是（） def fact(n): f=1 for i in range(1,n+1): f=f*i return f print(fact(5))
- 下列表达式的返回结果是________。[n*n for n in range(6) if n*n % 2 == 1]
- 以下循环中的迭代次数是多少？ for i in range(1, n): # 迭代 A: 2*n B: n C: n - 1 D: n + 1
- 题目：将一个正整数分解质因数。例如：输入90，打印出90=2*3*3*5. n = int(input("input number:")) print ("n = %d" % n) for i in range(2,n + 1): while __________ if n % i == 0: print(str(i)) print("*") n = n / i else: break print( "%d" % n)