Task 2: C++ DON'T USE THE LIBRARY MENTIONED Implement/Hard Code a Doubly Linked Lists and make it a Queue. Do not use ::list:: class from the STD library for this example The user will input a string and the program will return the string with each letter in the string duplicated. Displaying correct Queue implementation. Methods as needed () push back) dequeue() / pop front() e enqueue Sample Execution Please input String: happy hhaappppyy