Summary

• Starting out with Python

  • Obtaining and installing Python 3

  • Starting the Read-Eval-Print-Loop or REPL

  • Simple arithmetic

  • Creating variables by binding objects to names

  • Printing with the built-in print() function

  • Exiting the REPL with Ctrl+Z (Windows) or Ctrl+D (Unix)

• Being Pythonic

  • Significant indentation

  • PEP 8 - The Style Guide for Python Code

  • PEP 20 - The Zen of Python

• Importing modules with the import statement in various forms

• Finding and browsing help()

• Basic types and control flow

  • ints, floats, None, and bool, plus conversions between them

  • Relational operators for equality and ordering tests

  • The if-statements with else and elif blocks

  • The while-loops with implicit conversion to bool

  • Interrupting infinite loops with Ctrl+C

  • Breaking out of loops with break

• Requesting text from the user with input()

• Augmented assignment operators