Most snakes have the potential to bite a human, but will generally only bite as a last resort. Not all snake bites are harmful. Pythons do not have venom and colubrids (rear-fanged snakes) either have a weak venom or lack venom altogether. Bites from venomous elapids (front-fanged snakes) should be taken seriously and treated appropriately. Read more about avoiding and treating https://www.xpertspestcontrol.com/snake-control/