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Building Robust Object-Oriented Python Applications and Libraries

Solution: Create a Customer Relationship Management System

Learn how to implement the coded solution of the customer relationship management system using Python data structures.

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Create the original structure

Generate the Customer class incorporating id, name, and email attributes. Moreover, add another class named Interaction as well, containing customer_id, interaction_type, and timestamp attributes.

class Customer:
  id: int
  name: str
  email: str
class Interaction:
  customer_id: int
  interaction_type: str
  timestamp: str

Refactor original classes

Now refactor the Customer class with named tuples and the Interaction class with dataclasses that help us to provide a convenient way to define classes with automatically generated methods. Moreover, refactor a dictionary to a defaultdict ...

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