𝗕𝘂𝗶𝗹𝗱 𝗦𝘁𝗮𝗰𝗸𝘀 𝗮𝗻𝗱 𝗤𝘂𝗲𝘂𝗲𝘀 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻
Good data structures make your software efficient. You must know how to build them from scratch.
A stack follows Last In, First Out (LIFO). The last item you add is the first one you remove.
A queue follows First In, First Out (FIFO). The first item you add is the first one you remove.
Build these in Python with these steps:
- Use a list for storage.
- For stacks, use append to add and pop to remove.
- For queues, use append to add and pop(0) to remove.
- Create functions to check size and empty status.
Follow these rules to write clean code:
- Use the PEP 8 style guide.
- Add type hints for parameters.
- Write docstrings for every function.
- Ask a mentor for feedback.
Practice these structures to prepare for technical interviews.
Source: https://dev.to/yagyaraj_sharma_6cd410179/mastering-python-building-stack-and-queue-from-scratch-57e8 Optional learning community: https://t.me/GyaanSetuAi