how do I print a list in haskell?

How do I print a list to stdout in Haskell?

Let's say 开发者_如何学运维I have a list [1,2,3] and I want to convert that list into a string and print it out. I guess I could build my own function, but surely Haskell has a function built in to do that.

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Indeed there is a built in function, aptly named print.

> print [1,2,3]
[1,2,3]

This is equivalent to putStrLn $ show [1,2,3].