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????????????????????????????????????????????????Python???????????????????

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??α?дPython????
??????????????Python????????????
   1. ????????????????
   2. ?????????е???????
   3. ??????и????????????????????????????????????????е?Python???????????.py???檔
   4. ???н?????????python program.py???????IDLE???г?????????????????????????е??????

??4.1 ??????????????????????

# Filename : var.py
i = 5
print i
i = i + 1
print i

s = '''This is a multi-line string.
This is the second line.'''
print s

????????code/var.py??

???

$ python var.py
5
6
This is a multi-line string.
This is the second line.

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?????????????????????ι?????????????????????????=?????????????????????5????????i??????г??????????????????????????飬??????????????????i???5???????????????????????print?????i???????????????????????????

????????i?д洢?????1??????????i???????????????????????6??

??????????????????????????????????????s?????????

??C/C++??????????
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