??7?? ????

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???庯??

?????β?

??ú????β?

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??t??????

???global???

???????

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return???

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DocStrings

???DocStrings

????

???

??????????????Ρ????????????????????????????????????????????κε?????????????????ε???????????顣????? ???? ???????????????????????????????????len??range??

???????def???????????def???????????????? ????? ?????????????????????????п???????Щ??????????????e???β??????????????????????????塣???????????????????????????????

???庯??

??7.1 ???庯??

#!/usr/bin/python
# Filename: function1.py

def sayHello():
    print 'Hello World!' # block belonging to the function

sayHello() # call the function

????????code/function1.py??

???

$ python function1.py
Hello World!

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?????????????????????????????sayHello????????????????????κβ?????????????????????????κα?????????????????????????????????????????????????????????????????????????????