The owners had initially noticed the reptile on the balcony, nevertheless it was within the backyard by the point the crew arrived simply earlier than 10am.
Video shared by Hearth and Rescue NSW (FRNSW) present the massive diamond python wound round one of many crew member's arms.
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One other fireman helped unwind the snake earlier than inserting it in a blue bag.
The snake was launched within the neighbouring Royal Nationwide Park.
After the callout, FRNSW mentioned snake relocations weren't unusual.
"FRNSW works carefully with WIRES to supply reptile retrieval providers in instances the place persons are deemed at excessive danger of harm or dying," it mentioned in an announcement.
Diamond pythons are non-venomous however can inflict a painful chew, Australian Museum mentioned.
"Like all pythons, the diamond python kills its prey by wrapping itself round its sufferer (on this case, small mammals and lizards) and suffocating it," it mentioned.
There is a massive, lethal snake hidden on this picture