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#!/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
?????????????????????????????????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?????????
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