lis = ["The Poet X", "Electric Arches", "America Is Not The Heart", "Reliquaria"] # If we wanted to print the element "Electric Arches": print(lis[1])

lis = ["The Poet X", "Electric Arches", "America Is Not The Heart", "Reliquaria"] sub_lis = lis[0:2] # What do you think this will print? print(sub_lis)

lis = ["The Poet X", "Electric Arches", "America Is Not The Heart", "Reliquaria"] # Finish the following line so that your slice has "America Is Not the Heart" and "Reliquaria sub_lis = lis[2:4] print(sub_lis)

lis = ["The Poet X", "Electric Arches", "America Is Not The Heart", "Reliquaria"] sub_lis = lis[:2] print(sub_lis)

lis = ["The Poet X", "Electric Arches", "America Is Not The Heart", "Reliquaria"] sub_lis = lis[2:] print(sub_lis)

string = "This is a string!" # Can you guess what this will print? sub_string = string[10:] print(sub_string)

string = "This is a string!" # If I wanted the first character of this string, 'T', I would do: first_char = string[0] print("The first character of the string is", first_char)

# This is an empty list lis = [] lis.append("My Hero Academia") lis.append("Your Name") print(lis)

lis = ["My Hero Academia", "Your Name"] lis.insert(1, "Totoro") print(lis)

lis = ["My Hero Academia", "Totoro", "Your Name", "Avatar: The Last Airbender"] # Looks for the element "Totoro" and removes it lis.remove("Totoro") print(lis) # Remove an element with this specific index lis.pop(1) print(lis) # Removes the last element when no parameter is given lis.pop() print(lis)

lis = ["My Hero Academia", "Totoro", "Your Name"] lis[1] = "Spirited Away" print(lis)

tup = ("My Hero Academia", "Totoro") print(tup) print(tup[0])

tup = ("My Hero Academia", "Totoro") tup[1] = "Spirited Away" print(tup)

tup = ("My Hero Academia", "Totoro") tup.append("Your Name") print(tup)

some_list = ["Item 0", "Item 1"] some_set = {"Some Item", "Another Item"} print(some_list[1]) # The following line will cause an error: print(some_set[1])

some_list = ["Item", "Item"] some_set = {"Item", "Item"} print(some_list) print(some_set)

some_set = {"Item"} print(some_set) some_set.add("Other Item") print(some_set) some_set.remove("Item") print(some_set)

fav_flavors = {"strawberry", "vanilla", "chocolate", "green tea", "green tea", "vanilla", "green tea"} # Remember that once you add those items into the set, the duplicates go away print(fav_flavors) # Print the length of the set print(len(fav_flavors))

# What if we tried this with a list? fav_flavors = ["strawberry", "vanilla", "chocolate", "green tea", "green tea", "vanilla", "gr"] print(fav_flavors) # Print the length of the list print(len(fav_flavors))

favAnimals = set() for i in range(5): animal = input("What is your favorite animal? ") favAnimals.add(animal) print(favAnimals)

# This is how you define a dictionary definition = { "flammable": "easily set on fire", "inflammable": "easily set on fire", "nonflammable": "not catching fire easily" } # In order to access an element in the dictionary, we refer to its "key" print(definition["flammable"])

# Another example of a dictionary, this time with a mix of integer and string values album_1 = { "name": "Escape from New York", "artist": "Beast Coast", "year": 2019 } # How would we print out the artist of album_1? print(album_1["artist"])

album_2 = { "name": "Sgt. Pepper's Lonely Hearts Club Band" } # Inserting a new pair, with "artist" as the key and "The Beatles" as its value album_2["artist"] = "The Beatles" print(album_2) album_2["year"] = 1967 print(len(album_2)) print("artist" in album_2) # Notice what the following will print: print("The Beatles" in album_2) # This is because we can only search a dictionary by key, not by value # Deleting a key-value pair from the dictionary del album_2["artist"] print(album_2) # If you just wanted the keys in a dictionary: print(album_2.keys()) # Finally, if you want to clear out the entire dictionary: album_2.clear() print(album_2)

empty_dict = dict() empty_set = set() empty_list = [] empty_tuple = ()

dictionary = { "Issa":"1", "Daniel":"3", "Molly":"2", "Kelli":"3", "Lawrence":"2" } print(dictionary)

# Some code to get you started: pineapple_votes = { "pineapple": 0, "no pineapple": 0 } for i in range(5): num = int(input("Input 1 if you like pineapple on pizza. Input 0 if you don't like pineapple.")) if num == 1: pineapple_votes["pineapple"] += 1 if num == 0: pineapple_votes["no pineapple"] += 1 print(pineapple_votes)

fav_ff_restaurant = dict() for i in range(10): restaurant = input("What is your favorite fast food restaurant? ").lower() if restaurant in fav_ff_restaurant: fav_ff_restaurant[restaurant] += 1 else: fav_ff_restaurant[restaurant] = 1 print(fav_ff_restaurant)

# A list of tuples points_on_a_graph = [(3, 9), (1,1), (5, 25), (2, 4), (4, 16)] # We can print this list, but... is this the most useful? print(points_on_a_graph)

%matplotlib inline import matplotlib x = [3, 1, 5, 2, 4] y = [9, 1, 25, 4, 16] matplotlib.pyplot.scatter(x, y) matplotlib.pyplot.show()

%matplotlib inline import matplotlib.pyplot as plt x = [3, 1, 5, 2, 4] y = [9, 1, 25, 4, 16] plt.scatter(x, y) plt.show()

%matplotlib inline import matplotlib.pyplot as plt x = [3, 1, 5, 2, 4] y = [9, 1, 25, 4, 16] plt.plot(x, y) plt.xlabel("Some numbers") plt.ylabel("Some other numbers") plt.show()

%matplotlib inline import matplotlib.pyplot as plt x = [1, 2, 3, 4, 5] y = [1, 4, 9, 16, 25] plt.plot(x, y) plt.xlabel("Some numbers") plt.ylabel("Some other numbers") plt.show()

%matplotlib inline import matplotlib.pyplot as plt x = [1, 2, 3, 4, 5] y = [1, 4, 9, 16, 25] plt.plot(x, y) plt.xlabel("Some numbers") plt.ylabel("Some other numbers") # What might these following lines do? plt.gray() plt.axis([0, 10, 0, 100]) plt.show()