Python : ( maximum asked to code) Declare global variable- code Type casting-code with explanation Decorator Exception handling- code Expressive exception handling code Reverse an array without using built in function Using slicing technique , write a code Why overloading not in python Shallow copy & deep copy Lambda code Diff b/w compiler & interpreter Code for encapsulation, inheritance List & tuple ......etc Cloud computing Load balancers & auto scaling Use of load Balancers EC2 Keypairs Deployment