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                    ???? Python ???
                    ??9?? ?????
                    ???? ???? ????

                    ????

                    ?б??????????????????У??????????????????????????????????е???????????????????????????????????????????????????????????????????????????????????????????????????е???????????????????С?

                    ???????

                    ??9.5 ???????

                    #!/usr/bin/python
                    # Filename: seq.py


                    shoplist = ['apple', 'mango', 'carrot', 'banana']

                    # Indexing or 'Subscription' operation
                    print 'Item 0 is', shoplist[0]
                    print 'Item 1 is', shoplist[1]
                    print 'Item 2 is', shoplist[2]
                    print 'Item 3 is', shoplist[3]
                    print 'Item -1 is', shoplist[-1]
                    print 'Item -2 is', shoplist[-2]

                    # Slicing on a list
                    print 'Item 1 to 3 is', shoplist[1:3]
                    print 'Item 2 to end is', shoplist[2:]
                    print 'Item 1 to -1 is', shoplist[1:-1]
                    print 'Item start to end is', shoplist[:]

                    # Slicing on a string
                    name = 'swaroop'
                    print 'characters 1 to 3 is', name[1:3]
                    print 'characters 2 to end is', name[2:]
                    print 'characters 1 to -1 is', name[1:-1]
                    print 'characters start to end is', name[:]

                    ????????code/seq.py??

                    ???

                    $ python seq.py
                    Item 0 is apple
                    Item 1 is mango
                    Item 2 is carrot
                    Item 3 is banana
                    Item -1 is banana
                    Item -2 is carrot
                    Item 1 to 3 is ['mango', 'carrot']
                    Item 2 to end is ['carrot', 'banana']
                    Item 1 to -1 is ['mango', 'carrot']
                    Item start to end is ['apple', 'mango', 'carrot', 'banana']
                    characters 1 to 3 is wa
                    characters 2 to end is aroop
                    characters 1 to -1 is waroo
                    characters start to end is swaroop

                    ????ι???

                    ?????????????????????????????????е?????????????????????±????????????÷??????е?????????????????е????Python????????????ж??λ?????????????Python??0?????????????shoplist[0]????????????shoplist[3]??shoplist?????е?????????

                    ??????????????????????????????£?λ?????????β?????????????shoplist[-1]??????е???????????shoplist[-2]?????е??????????????

                    ????????????????????????????????????????????????????????e???䶮?????????????????????????????????????????????e?????????

                    ??????????е?????????e?????????????????λ????????????e???????????????????????????????????????Python?????????????????????????????????Python??????????β?????????????д???λ?? ??? ??????? ???? λ???????????????λ?????????????????е????????λ?????????????

                    ??????shoplist[1:3]?????λ??1?????????λ??2??????????λ??3???????????????????????????????????????????????shoplist[:]???????????е??????

                    ??????????????????????????????β????????λ?á????磬shoplist[:-1]???????????????????????????????????????

                    ???Python??????????????????????????????????????????????????????????е?????????????????????????????????顢?б?????????


                    ???? ????? ????
                    ??? ??? ?ο?
                    ?????
                    @ssv

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