What is lambda in Python?
The lambda operator or lambda function is a way to create small anonymous functions, throw-away functions, i.e. the unnamed functions which are needed just where they have been created.
IoT stands for Internet of Things. It is basically a network in which things can communicate with each other using internet as means of communication between them. All the things should be IP protocol enabled in order to have this concept possible. Not one but multiple technologies are involved to make IoT a great success.