How to Grayscale Image in PowerShell - Code Snippet

# Task: Grayscale Image
# Language: PowerShell

function grayscale_image() {
    # Implementation for Grayscale Image
    $ result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Grayscale Image
    Write-Host("Done");
}