Python vs yatter

Python

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

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. 

yatter

noun
  • Natter; prattle; mindless chatter. 

verb
  • To natter; to prattle; to chatter mindlessly. 

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