raeq

def sub_00(haystack: str="", needle:str="") -> bool:
    return needle in haystack

assert sub_00("the quick brown fox jumped over the lazy dog", "lazy") == True
assert sub_00("the quick brown fox jumped over the lazy dog", "lazys") == False

raeq

"""
A versioned class example.
"""
__version__: str = "0.1"

class Book:
    """
    A sinple book class.
    """
    counter: int = 0

raeq

"""
A simple class example.
"""

class Book:
    """
    A simple book class.
    """

    def __init__(self, isbn: str, title: str, author: str):

raeq

"""
A simple class example.
"""

class Book:
    """
    A simple book class.
    """

    def __init__(self, isbn: str, title: str, author: str):

raeq

"""
Zipping two lists to a dictionary as an example of dict comprehension.
"""
import typing

def dict_from_list(keys: [typing.Hashable], values: [])-> typing.Dict:
    """
    Zips two lists. Returns: dict
    """
    if len(keys) != len(values):

raeq

fruits_dict: dict = dict()

citrusfruit: set = {"oranges", "lemons", "limes", "satsumas", "nectarines"}
treefruit: set = {"apples", "pears", "cherries", "plums", "peaches", "plums",
                  "cherries", "oranges", "lemons", "limes"}
stonefruit: set = {"cherries", "plums", "peaches", "nectarines"}

for fruit in citrusfruit.union(stonefruit).union(treefruit):
    fruits_dict.setdefault(fruit, [])

raeq

"""
A module illsutrating storing a key-value pair in a dictionary.
"""
import collections
import json

Book: collections.namedtuple = collections.namedtuple("Book", ["isbn", "title", "author"])
books_as_list: list = list()
books_as_dict: dict = dict()

raeq

"""
A module illsutrating storing a key-value pair in a dictionary.
"""
import collections

Book: collections.namedtuple = collections.namedtuple("Book", ["isbn", "title", "author"])
books_as_list: list = list()
books_as_dict: dict = dict()

books_as_list.append(

raeq

"""
A module illsutrating storing a key-value pair in a dictionary.
"""
import collections

Book: collections.namedtuple = collections.namedtuple("Book", ["isbn", "title", "author"])
books_as_list: list = list()
books_as_dict: dict = dict()

books_as_list.append(

raeq

"""
A module illsutrating storing a key-value pair in a dictionary.
"""
import collections

Book: collections.namedtuple = collections.namedtuple("Book", ["isbn", "title"])
books_as_list: list = list()
books_as_dict: dict = dict()

books_as_list.append(