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Chapter 1: Before we begin

Systems Thinking

At a very basic level, you can begin by asking yourself: “What are the elements of the
system I want to build?” Write these down.

Elements of a design pattern

• Pattern name
• Intent/purpose
• Aliases
• Motivation/context
• Problem
• Solution
• Structure
• Participants
• Collaborations
• Consequences/constraints
• Implementation
• Sample code
• Known uses
• Related patterns

Classification

• Creational
• Structural
• Behavioral

Editors

• Atom https://atom.io/
• LightTable
• PyCharm
• Vim Set up Vim for Python by going here: https://realpython.com/blog/python/vim-and-
  python-
  a-match-made-in-heaven/.
• Emacs Set up Emacs for Python development by reading this: https://realpython.com/
  blog/python/emacs-the-best-python-editor/.
• Sublime Text If you are interested in looking at it, you can get it here: https://www.sublimetext.
  com/3.