[Haskell-beginners] boomBangs xs = [ if x < 10 then "BOOM!" else "BANG!" | x <- xs, odd x]

[anthony niro]

Hello,

My name is Anthony i have few question about Haskell.

I was reading a tutorial everything goes well. but now i have few things that i dont understang.

HERE:

boomBangs xs = [ if x < 10 then "BOOM!" else "BANG!" | x <- xs, odd x]



I dont understand this line except the "if" "then" "else".  
What is xs? 
what is the |  ? 
 and why doing this  "  | x <- xs, odd x]"

why x <- xs????? what is that 

and what is odd x? 

thx everyone for answer me. 
 		 	   		  
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