一 下面列表:
a = [1,2,3,4,5,333,11,44]
输出下面的结果:
[4,5,333]
a = [1,2,3,4,5,333,11,44] print(a[3:6])
二 有下面2个列表
a = [1,2,3]
b = [4,5,6]
用2个方法输出下面结果:
[1,2,3,4,5,6]
a = [1,2,3] b = [4,5,6] print(a+b)#第一种 c=[] for i in a: c.append(i) for j in b: c.append(j) print(c)#第二种
三 有下面2个列表:
a = [1,99,33,44,55,22]
输出结果:
1:[1,2,99,33,44,55,22,(11,33,54)]
2: [1,2,99,33,101,44,55,22]
a = [1,99,33,44,55,22] b = (11,33,54) a.insert(1,2) a.append(b) print(a)#(1)
a = [1,99,33,44,55,22] b = (11,33,54) a.insert(1,2) a.insert(4,101) print(a)
四:用列表推导式生成100内的大于20的偶数
a = [] for i in range(100): if i > 20: if i % 2 == 0: a.append(i) print(a)