(
课件网) 3.2 Python程序设计 7、列表 python >>>11st1 2,3,4,1,32 >>>1en(1ist1) 5 >>>max(list1) 32 >>>min (list1) >>>sum(list1) 42 >>>import random >>>random shuffle(list1) >>>11st1 [32,2,3,1,4] >>>1ist1=[5.6,4.5,3.3,13.2,4.8,34.33,34.0,45.45,99.993,11123] >>>1ist1[8] 5,6 >>>1ist1[9] 11123 >>>1ist1[10] raceback (most recent call last): File
", line 1, in ist1[10] IndexError: list index out of range >>>1ist1=[2,3,5,2,33,21 >>>1ist1[-1] 21 >>>1ist1[-1+1en(1ist1)] 21 >>>1ist1[-3] 2 >>>1ist1[-3+1en(1ist1)] 2 >>>1ist1=[2,3,5,7,9,1] >>>1ist1[2:4] [5,7] >>>1ist1 2,3,5,2,33,21 >>>1ist1[:2] >>>1ist1[e:2] [2,3] >>>1ist1[3:] [2,33,21] >>>1ist1[3:1en(1ist1)] 2,33,21 >>>1ist1[:2] 2,5,33 >>>1ist1=[2,3,5,2,33,21 >>>1ist1[1:-3] [3,5] >>>1ist1[1:-3+1en(1ist1) 3,5 >>>1ist1[-4:-2] >>>1ist1[-4+1en(1ist1):-2+1en(1ist1)] 5,2 >>>1ist1=[2,3,5,2,33,21] >>>1ist1[3:3] >>>1ist1[2:18] [5,2,33,21] >>>1ist1[2:1en(1ist1)] 5,2,33,21 >>>1ist1=[2,3 >>>1ist2=[1,9] >>>11st3=1ist1+1ist2 >>>1ist3 [2,3,1,9] >>>11st4=3*11st1 >>>11st4 [2,3,2,3,2,3] >>>1ist5=1ist1*3 >>>11st5 2,3,2,3,2,3] 
