1、用import 命令导入模块 copy ,具体代码如下:import copy
2、建立列表a 具体代码为:a = [1,2,3,4,['a','b']]
3、进行相关赋值和copy操作,具体代码为:b = ac = a[:]d = copy.copy(a)e = copy.deepcopy(a)
4、进行添加操作,具体代码为:a.append(5)a[4].append('c')
5、下面分别打印出各个列表,短铘辔嗟具体代码为:print('a = ',a)print('b = ',b)print(泌驾台佐39;c = ',c)print('d = ',d)print('e = ',e)
6、下面运行整段程序来进行测试,效果如图
7、b = a是赋值操作,所以b的值永远会和a的值相同,但是[ : ]以及copy( )不会在操作a[4].append('c')后修改掉本身的值,而颊俄岿髭deepcopy()更是纹丝不动,像极了元组代码整体总结:import copya = [1,2,3,4,['a','b']]b = ac = a[:]d = copy.copy(a)e = copy.deepcopy(a)a.append(5)a[4].append('c')print('a = ',a)print('b = ',b)print('c = ',c)print('d = ',d)print('e = ',e)