newbe how to read in a string?

[William Famy]

Hi.

I am looking how to read in a string.

Ex
a='2000/12/28,24.3,87.1,65.4'

I whant to extract the 87.1. In C i would code by a
scanf("%s,%f,%f,%f\n"),...

How can i do this in python?

Thanks for answer.

-- 
 			     \\\|///
                           \\  - -  //
                            (  @ @  )
+-------------------------oOOo-(_)-oOOo-------------------------+
|  Famy William  36 avenue des barattes  74000 Annecy  France   |
|  email:william.famy at noos.fr william.famy at mail-enseignant.com  |
+---------------------------------Oooo--------------------------+
                           oooO   (   )
                          (   )    ) /
                           \ (    (_/
                            \_)