Dive into Python reading pen (2)

Chapter 4 Introspection, Summary:

# define and invoke functions with optional and named parameters

# cast any value as a string with str

# Use GetAttr to dynamically get references to functions and other properties

# Extended List parsing syntax implementation list filtering

# Identify Andor tips and use them safely

# define Lambda functions

# Assign a function to a variable and then call the function by reference variable

Chapter 5 Objects and object-oriented, summary:

# Importing modules using Import module and from module import

# Defining and Instantiating classes

# define __INIT__ methods and other specialized class methods, and understand when they are called

# Subclass UserDict To define classes that behave like dictionaries

# define data properties and class properties, and understand the differences between them

# define private properties and methods

Dive into Python reading pen (2)