This is a "Scarlett King Snake" and it was on my porch night before last. I opened the door just long enough to get a shot using flash so I could get a better look at the snake and identify it. Fortunately it is a "good snake" that will keep varmints out of my yard and even eat other snakes including poisonous snakes. Once I closed the door and turned off the porch light it was gone.
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