Python: Explore Standard Libraries

import copylst = [[1, 2, 3], ['a', 'b']]# Standard assignment dup_lst = lst# id object is used to check whether objects are pointing the same referenceprint(id(lst) == id(dup_lst))  # True#Use copy module's shallow copy dup_lst = copy.copy(lst)print(id(lst) == id(dup_lst))   # False#Contents of the object are not duplicated with shallow copyprint(id(lst[0]) == id(dup_lst[0]))  # True#Use copy module's shallow copydup_lst = copy.deepcopy(lst)print(id(lst) == id(dup_lst))   # False#Contents of the object are duplicated with deep copyprint(id(lst[0]) == id(dup_lst[0]))  # False  

import enumclass DaysOfWeek(enum.Enum):    SUNDAY = 1    MONDAY = 2    TUESDAY = 3    WEDNESDAY = 4    THURSDAY = 5    FRIDAY = 6    SATURDAY = 7print(f'Member name of Sunday: {DaysOfWeek.SUNDAY.name}')   # Member name of Sunday: SUNDAYprint(f'Member value of Friday: {DaysOfWeek.FRIDAY.value}')  # Member value of Friday: 6for day in DaysOfWeek:    print(day)# DaysOfWeek.SUNDAY# DaysOfWeek.MONDAY# DaysOfWeek.TUESDAY# DaysOfWeek.WEDNESDAY# DaysOfWeek.THURSDAY# DaysOfWeek.FRIDAY# DaysOfWeek.SATURDAY    

import webbrowserurl = 'https://google.com' # Open URL in user's default browser and bring the browser window to the frontwebbrowser.open(url)# Open URL in a new tab, if a browser window is already openwebbrowser.open_new_tab(url)

import pprintbook = {    'title' : "Automate the Boring Stuff with Python: Practical Programming for Total Beginners",    'author' : "Al Sweigart",    'pub_year' : 2015}print(book)  #{'title': 'Automate the Boring Stuff with Python: Practical Programming for Total Beginners', 'author': 'Al Sweigart', 'pub_year': 2015}pp = pprint.PrettyPrinter(width=100, compact=True)pp.pprint(book)  # Pretty print arranged keys in alphabetical order here display width is controlled to 100 characters# {'author': 'Al Sweigart',#  'pub_year': 2015,#  'title': 'Automate the Boring Stuff with Python: Practical Programming for Total Beginners'}