collections

Question 1

test module

Answer 1

unittest

Question 2

run all tests

Answer 2

unittest.main()

Question 3

container protocol

Answer 3

__contains__(item)

Question 4

sized protocol

Answer 4

__len__()

Question 5

sequence protocol

Answer 5

__getitem__(slice_object); __reversed__() fallback to __getitem__() and len();index(item); count(item); __add__(); __mul__()

Question 6

default equality implementation

Answer 6

identity test like is

Question 7

equality special method

Answer 7

__eq__(self, rhs)

Question 8

inequality special method

Answer 8

__ne__(self, rhs)

Question 9

when not implimented

Answer 9

return NotImplimented instead of raise NotImplimentedError

Question 10

Abstract Base Class collection

Answer 10

collections.abc

Question 11

algebraic set operations

Answer 11

__and__(), intersection(), &; __or__(), union(), | ; __xor__(), symmetric_difference(), ^;__sub__(), difference(), - ;