l1 = list(range(1, 100, 2)) l2 = list(range(1,100))[::2] l3 = list(range(100))[1::2] print('第一种方法:\n',l1) print('第二种方法:\n',l2) print('第三种方法:\n',l3)
half_l1 = [] i = 0; while i < len(l1)/2: half_l1.append(l1[i]) i += 1; print('获取list一半的元素1:',half_l1) print('获取list一半的元素2:',list(range(1,50,2)))
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l1 = list(range(1, 100, 2)) l2 = list(range(1,100))[::2] l3 = list(range(100))[1::2] print('第一种方法:\n',l1) print('第二种方法:\n',l2) print('第三种方法:\n',l3)
half_l1 = [] i = 0; while i < len(l1)/2: half_l1.append(l1[i]) i += 1; print('获取list一半的元素1:',half_l1) print('获取list一半的元素2:',list(range(1,50,2)))