Chapter 2

• assert
• context managers and with
• underscores
• string formatting
• := operator
• zen of python easter egg

Chapter 3

• first class
• lambda
• decorators
• *args and **kwargs
• argument unpacking
• default return

Chapter 4

• object comparisons
• __repr__ and __str__
• defining exception class
• shallow copy and deep copy
• abstract base class
• collections.namedtuple
• built-in helper methods
• class variable vs instances variable
• instance, class, static methods

Chapter 5

• Maps
  • dict
  • OrderedDict
  • defaultdict
  • ChainMap
  • MappingProxyType
• Record
  • list
  • tuple
  • array.array
  • str
  • bytes
  • customized class as record
  • typing.namedTuple
  • struct.struct
  • SimpleNamespace
• Sets and Multisets
  • set
  • frozenset
  • collections.Counter
• Stacks
  • list
  • collections.deque
  • queue.LifoQueue
• Queue
  • list
  • collections.deque
  • multiprocessing.Queue
• Priority Queues
  • list
  • heapq
  • queue.PriorityQueue

Chapter 6

• pythonic loops
• list comprehensions
• list slicing tricks
• __iter__ and __next__
• generator
• generator expressions
• iterator chains

Chapter 7

• dict default value
• sort dict
• emulating switch case statements with dicts
• how dict key works
• merge dict
• dict pretty prints

Chapter 8

• dir() and help()
• virtual environment
• python bytecode and disassembler