Python vs Serpent

Python

name
  • The earth-dragon of Delphi, represented as a serpent, killed by Apollo. 

  • An interpreted, high-level, general-purpose programming language invented by Guido van Rossum. 

noun
  • Any member of the comedy troupe Monty Python: Graham Chapman, John Cleese, Terry Gilliam, Eric Idle, Terry Jones or Michael Palin. 

Serpent

name
  • Serpens (constellation) 

How often have the words Python and Serpent occurred in a corpus of books? (source: Google Ngram Viewer )