Python tricks the book

Chapter Two

clean lists
long strings
context manager
context manager implementation
name mangling

Chapter Three

first class function
higher level function
nested function
closure
decorator
iterable unpacking
keyword value structure unpacking
function replacing
three layer decorator

Chapter Four

repr method
mutable objects
shallow copy
deep copy
class attributes
class methods
static methods
meta classes
type

Chapter Five

dictionary keys
sushi operator

Chapter Six

iteration protocol
iterables
iterators
generators