data structure

discussion_week_04 ECE 391 Discussion Copyright By PowCoder代写 加微信 powcoder Announcements & Reminders ▶ PS2 has been posted ▶ Work in groups of at least 4 ▶ Due next Tuesday (Sept 21) 5:59 pm ▶ MP2 will be posted, git will be updated this week ▶ Start early!!!! ▶ Read the documentation carefully Problem Set 2

ECE391- Computer System Engineering Lecture 10 Copyright By PowCoder代写 加微信 powcoder Linux abstraction of PIC University of Illinois at Urbana- Champaign Announcements • PS2 Posted – Committed to the master (main) branch on GitLab by 5:59PM on 9/21 • MP2 Posted – All checkpoints should be committed to the master(main) branch on GitLab by: •

# utils.py class Indexer(object): Bijection between objects and integers starting at 0. Useful for mapping Copyright By PowCoder代写 加微信 powcoder labels, features, etc. into coordinates of a vector space. Attributes: objs_to_ints ints_to_objs def __init__(self): self.objs_to_ints = {} self.ints_to_objs = {} def __repr__(self): return str([str(self.get_object(i)) for i in range(0, len(self))]) def __str__(self): return self.__repr__() def __len__(self):

Property of Penn Engineering Introduction to Design Patterns Copyright By PowCoder代写 加微信 powcoder Property of Penn Engineering 1. Modeling: identify concepts and their relationships 2. Apply good architecture 3. Use appropriate data structures 4. Use design patterns when appropriate 5. Refactor (change the design) as necessary How Do We Design Software? Property of Penn Engineering