Solved queue.get() effeciency problem

[huzaifarehman1]

Description

i changed entire logic of queue class and rewrote it using liked list to achieve O(1) time complexity while also keeping the same space compeltxity

Fixes #462

Type of change

• [ ] New feature and entire logic rebust

Checklist:

• [O] My code follows the style guidelines of this project i.e. Pep8
• [O] I have performed a self-review of my own code
• [O] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [dont know] Any dependent changes have been merged and published in downstream modules
• [ ] I have squashed unnecessary commits