In the salculate matrics function, the Earned Value $($EV$)$ is calculated by multiplying the number of completed taska by the planned effort per task $($assuming equal effort for all tasks$).$

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# EVM Calculation Functions

def calculate metricsf$($planned effort, planned completion percentage, completed tasks,

$3$stual$\_$effort$\_$gpent$)$:

gx $=$ clanesd$\_$effort $*($planneg$\_\_$completion$\_$Rercentareg$/100)$

$```$

$```$

cpl $=$ gy $/$ actual$\_$effort$\_$apent if actuol$\_$fffort$\_$apent $!=0$ elac $0$

$3$ai$-$ey$/$gy if pu$!-0$ elsc$0$

sw$-$ev$-$pv

ov $=$ gy$-$ actual effort spent

return $[$y$,$ ##$,$ cpi, spi, $5$y$,$cv

#Example Data

planned effort $-120$ # Total planned effort $($person$-$daya$)$

planned completion percentagle $-83\mathrm{.}33$ # Planned completion $(5$ tasks completed, $6$ total$)$

completed tasks $-4$ # Tasks completed by this point

artual, effort$\_$spent $-125$ ## Actual effort spent $($person$-$days$)$

$*$ Calculate Metrics

$```$

$```$

sctual$\_$ffort$\_$agent$)$

# Display Resulta

print$($f$-$Planned Value $($PV$)$: $[$metrics$[0]\%)$

print$($f$-$Earned Value $($EV$)$: $\{$metrics$[1]\%)$

print$($flCost Performance Index $($CPI$)$; $\{$metrics$[2]")$

print$($f$\text{'}$Schesdule Performance Index $($SPI$)$; $\{$metrics$[3]\%")$

print$($f$-$Schedule Variance $($SV$)$: $[$metrica$[4]\}")$

print$($f$+$Cost Variance $($CV$)$: $($metrics$[5]\%)$

$```$

True

False