Is constant function a periodic function and what is the period of constant function?

This video covers periodicity of constant function. Here we have explained how constant function is a periodic function with suitable example and why fundamental period of a constant function is not defined.
The video is suitable for the students aspiring for engineering entrance exam like JEE Mains and Advanced (IIT), BITSAT, CBSE XII and those who are interested to learn calculus part of Mathematics.