Edit fla file?

by CowonD2

I need to access the code for an fla file, but don't know how! Please help.

♥0 | Line 0 | Modified 2013-03-03 16:41:12 | MIT License

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ActionScript3 source code

/**
 * Copyright CowonD2 ( http://wonderfl.net/user/CowonD2 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/g6kH
 */

/*I am new to this....
*
* How can I edit a fla file? 
* How can I access the code of an fla file using this website??
*
*Thank you */