Python vs. Viper

Python and Viper Definitions
Python
Greek Mythology A dragon or serpent that was the tutelary demon of the oracular cult at Delphi until killed and expropriated by Apollo.
Viper
Any of various venomous snakes of the family Viperidae, having a thick heavy body and a single pair of long hollow fangs, especially the Eurasian and African species of the subfamily Viperinae, which lack the sensory pits of the pit vipers.
Python
A soothsaying spirit or demon.
Viper
Any of several harmless snakes sometimes believed to be venomous.
Python
A person possessed by such a spirit.
Viper
A person regarded as malicious or treacherous.
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Python
Any of various nonvenomous snakes of the family Pythonidae, found chiefly in Asia, Africa, and Australia, that coil around and asphyxiate their prey. Some pythons can attain lengths of 8 meters (26 feet) or more.
Viper
A venomous snake in the family Viperidae.
Python
A type of large constricting snake.
Viper
(informal) Any venomous snake.
Python
A penis.
Viper
(figurative) A dangerous, treacherous, or malignant person.
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Python
Any species of very large snakes of the genus Python, and allied genera, of the family Pythonidæ. They are nearly allied to the boas. Called also rock snake.
Viper
(slang) A person who smokes marijuana.
Python
A diviner by spirits.
Viper
Any one of numerous species of Old World venomous snakes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidæ.
There came a viper out of the heat, and fastened on his hand.
Python
Large Old World boas
Viper
A dangerous, treacherous, or malignant person.
Who committedTo such a viper his most sacred trustOf secrecy.
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Python
A soothsaying spirit or a person who is possessed by such a spirit
Viper
Loosely, any venomous or presumed venomous snake.
Python
(Greek mythology) dragon killed by Apollo at Delphi
Viper
Venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw