输入一个正整数,输出小于这个数的所有奇数的和,以下程序结果正确的是:
A. n = int(input())result = 0for i in range(n):if i % 2 == 1:result = result + iprint(result)
B. n = int(input())result = 0for i in range(1, n):if i % 2 == 1:result = result + iprint(result)
C. n = int(input())result = 0for i in range(n):result = result + iprint(result)
D. n = int(input())print(sum([i for i in range(n) if i % 2 == 1]))
有一对兔子,从出生后第3个月起每个月都生一对兔子,小兔子长到第三个月后每个月又生一对兔子,假如兔子都不死,用户输入一个大于2的月份数,计算输出该月的兔子总对数。
A. month = int(input())a, b = 1, 1for i in range(3, month + 1):a = bb = a + bprint(b)
B. month = int(input())a, b = 1, 1for i in range(3, month + 1):b = a + ba = b - aprint(b)
C. month = int(input())a, b = 1, 1for i in range(3, month + 1):b = a + ba = a - bprint(b)
D. month = int(input())a, b = 1, 1for i in range(3, month + 1):a, b = b, a + bprint(b)