Add stopwatch example
Add stopwatch example

shaunstanislaus/pyexperiment,shaunstanislaus/pyexperiment,duerrp/pyexperiment,kinverarity1/pyexperiment,kinverarity1/pyexperiment,shaunstanislaus/pyexperiment,duerrp/pyexperiment,duerrp/pyexperiment,kinverarity1/pyexperiment,DeercoderResearch/pyexperiment,DeercoderResearch/pyexperiment,kinverarity1/pyexperiment,shaunstanislaus/pyexperiment,DeercoderResearch/pyexperiment,DeercoderResearch/pyexperiment