Function definition: Double down

Complete the DoubleDown function to return twice the initialValue.

Function $o.$

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$1$ function finalValue $=$ DoubleDown $($ initialValue $)$

$\%$ Complete the function to return twice the initialvalue

finalvalue $={}_j$

end

Code to call your function $?$

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$1$ DoubleDown$(5)\%$ Change the input to DoubleDown to test other values

Assessment:

Check if DoubleDown$(5)$ returns $10$

Check if DoubleDown$(120)$ returns $240$