Countdown_clock_and_Timer

[Ayush7614]

Is your feature request related to a problem? Please describe.
Countdown_clock_and_Timer in Python

Describe the solution you'd like
A simple timer that can be used to track runtime. The purpose of this is to provide a simple, and standard, way of tracking runtime.

[Ayush7614]

@Tejas1510 plsss assign me this issue under swoc

[Tejas1510]

Go ahead @Ayush7614

[Ayush7614]

#277 this is pull for this issue

[vismitap]

Hey! Can I try this for javascript?