Haskell: getLine: Read line from standard input

getLine function read a line from the standard input device.

*Main> :t getLine

getLine :: IO String

Sample.hs

main = do
        putStrLn "Enter Your Name : "
        name <- getLine
        putStrLn ("Hello " ++  name)

$ ghc Sample.hs
$ ./Sample
Enter Your Name : 
Krishna
Hello Krishna

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