Q0:用一句代码实现 a = 128,b = 512 变量值交换?>>> a,b = 128,512>>> a128>>> b512>>> a,b = b,a>>> a512>>> b128
Q1:用一句代码实现找到 x = 1024,y = 256 最大值?>>> x,y = 1024,256>>> x if x>=y else y1024
Q2:用一句代码实现将列表 [[1,2],[3,4],[5,6]] 转换为 [1,2,3,4,5,6]?>>> q2 = [[1,2],[3,4],[5,6]]>>> [i for l in q2 for i in l][1, 2, 3, 4, 5, 6]
Q3:用一句代码实现将字符串 '123,456,789' 转换为 ['123','456','789']?>>> '123,456,789'.split(',')['123', '456', '789']
Q4:用一句代码实现将列表 [1,2,3,4,5] 转换为 ['1','2','3','4','5']?>>> list(map(str,[1,2,3,4,5]))['1', '2', '3', '4', '5']
Q5:用一句代码实现将列表 [[1,2],[3,4],[5,6]] 转换为 [[1,3,5],[2,4,6]]?>>> [list(i) for i in zip(*[[1,2],[3,4],[5,6]])][[1, 3, 5], [2, 4, 6]]
Q6:用一句代码实现将列表 [[1,2,3],[4,5,6]] 转换为 [1,2,3,4,5,6] ?>>> sum([[1,2,3],[4,5,6]],[])[1, 2, 3, 4, 5, 6]
Q7:用一句代码实现找到q = 10086,w = 10010,e = 10000最小值?>>> q,w,e = 10086,10010,10000>>> q if q<w and q<e else w if w<e else e10000
Q8:用一句代码实现生成1-100之间的偶数列表?>>> [i for i in range(1,101) if i%2 == 0][2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100]
Q9:用一句代码实现生成1-100之间的奇数列表?>>> list(filter(lambda x:x%2,[i for i in range(1,101)]))[1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99]