Mixing R and Python in the same Jupyter Notebook and finding Python code within an RMarkdown document

[Spencer Graves]

Hello, All:


       Two questions:


             1.  Is it feasible to mix R and Python code in the same 
Jupyter notebook?  If yes, can you please point me to an example?


             2.  How can one find Python code from within and R Markdown 
document?


                   ** "https://github.com/sbgraves237/radioMonitor" 
includes "radioMonitor-init2018-10-11.Rmd" that shows it's possible to 
mix R and Python snippets in the same R Markdown (*.Rmd) document.  
However, "radioMonitor0_1.Rmd" calls 'system("py idle0_1.py")' in an R 
snippet, which does what I want (namely recording 5 seconds of whatever 
is connected to "audio in" or something similar on your computer and 
writing it to "KKFI2018-10-12t13_16-5sec.wav".


       Thanks,
       Spencer Graves