Functional day 9 part 2, just have to manually set the number looking for. next up is merging the 2 parts into 1.

Advent Of Code Day 9-part2.ps1

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+$inputdata=import-csv -header "Number" .\aocd9input.txt
+$inputdata | %{$_.Number = [int64]$_.Number}
+$howmanynums=2
+
+foreach($num in ($howmanynums .. $inputdata.count)){
+
+
+    for($i=0;$i -lt $inputdata.count - $num; $i++){
+        $possiblevalues = @()
+        $mynums = $inputdata[$i .. ($i + $num -1)]|Select-Object -ExpandProperty Number
+        $mysum = $mynums | Measure-Object -sum | Select-Object -ExpandProperty Sum
+        if($mysum -eq 15353384){
+            $minnum = ($mynums | Measure-Object -minimum).minimum
+            $maxnum = ($mynums | Measure-Object -Maximum).Maximum
+            write-host "$mynums sum to $mysum"
+            write-host "Smallest $minnum + Largest $maxnum = $($minnum + $maxnum)"
+            break
+        }
+        #write-host "$mynums : $mysum"
+    }
+}