Example code to show how to create , add , insert and manipulate dictionary data structure in Powershell.

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# Creating a dictionary in PowerShell
$dictionary = @{}

# Adding key-value pairs to the dictionary
$dictionary.Add("Name", "John")
$dictionary.Add("Age", 30)
$dictionary.Add("City", "New York")

# Accessing values from the dictionary
Write-Host "Name: " $dictionary["Name"]
Write-Host "Age: " $dictionary["Age"]
Write-Host "City: " $dictionary["City"]

# Updating values in the dictionary
$dictionary["Age"] = 35
Write-Host "Updated Age: " $dictionary["Age"]

# Removing a key-value pair from the dictionary
$dictionary.Remove("City")
Write-Host "Dictionary after removing City key: "
foreach ($key in $dictionary.Keys) {
    Write-Host "$key : $($dictionary[$key])"
}

# Inserting a key-value pair at a specific index in the dictionary
$newDictionary = @{}
$newDictionary.Add("Country", "USA")
$newDictionary.Add("State", "California")

foreach ($key in $newDictionary.Keys) {
    $index = 1 # Insert at index 1
    $tempDict = @{}
    foreach ($k in $dictionary.Keys) {
        if ($k -eq $index) {
            $tempDict.Add($key, $newDictionary[$key])
        }
        $tempDict.Add($k, $dictionary[$k])
        $index++
    }
    if ($index -eq ($dictionary.Count + 1)) {
        # Insert at end of dictionary
        $tempDict.Add($key, $newDictionary[$key])
    }
    # Update original dictionary with new key-value pair(s)
    $dictionary = $tempDict
}

Write-Host "Updated Dictionary after inserting new key-value pairs: "
foreach ($key in $dictionary.Keys) {
    Write-Host "$key : $($dictionary[$key])"
}