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### Please check if the PR fulfills these requirements:
* [x] Tests for the changes have been added/updated (if possible)
* [x] Documentation has been updated/added if relevant
### What is the current behavior?
<!-- List issue if it fixes/closes/implements one using the "Fixes
#<number>" or "Closes #<number>" syntax -->
none
### What is the new behavior?
we can now run haskell files
### Other information?
<!-- Is this a breaking change? -->
<!-- How did you test -->
this is not a breaking change and I tested it using some simple files (I
included an example below):
```haskell
-- Function to compute the nth Fibonacci number
fibonacci :: Integer -> Integer
fibonacci n
| n <= 0 = 0
| n == 1 = 1
| otherwise = fibonacci (n - 1) + fibonacci (n - 2)
-- Function to compute the factorial of a given number
factorial :: Integer -> Integer
factorial 0 = 1
factorial n = n * factorial (n - 1)
-- Function to check if a number is prime
isPrime :: Integer -> Bool
isPrime n
| n <= 1 = False
| n == 2 = True
| otherwise = null [ x | x <- [2..isqrt n], n `mod` x == 0]
where
isqrt = floor . sqrt . fromIntegral
-- Main function to test the above functions
main :: IO ()
main = do
putStrLn "Enter a number for Fibonacci calculation:"
fibInput <- getLine
let fibNumber = read fibInput :: Integer
putStrLn ("Fibonacci number at position " ++ show fibNumber ++ " is " ++ show (fibonacci fibNumber))
putStrLn "\nEnter a number for factorial calculation:"
factInput <- getLine
let factNumber = read factInput :: Integer
putStrLn ("Factorial of " ++ show factNumber ++ " is " ++ show (factorial factNumber))
putStrLn "\nEnter a number to check if it is prime:"
primeInput <- getLine
let primeNumber = read primeInput :: Integer
putStrLn (show primeNumber ++ (if isPrime primeNumber then " is" else " is not") ++ " a prime number.")
```
---------
Co-authored-by: Chris Reed <[email protected]>
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