Data Structures

Tuples

100

What symbol do you use to declare tuples?

()

200

What is one instance where you can change the elements of a tuple?

When a mutable data type is in it.

300

What is one thing you cannot do to a tuple?

Change its elements.

400

How can you change a tuple's elements?

Rewrite it with different elements.

500

Create an empty tuple with the number 5.

(5,)

Lists

100

How do you declare a list?

[]

200

What is one instance where you cannot change the elements of a list?

When an immutable data type is in it.

300

What does the term homogenous mean in relation to lists?

Lists usually contain data of the same type.

400

How specifically can you change an element of a list?

my_list[index] = element

500

What does heterogenous mean in relation to lists?

Lists can contain data of different types.

For Loops

100

How can you run through each element of a data structure?

for variable in my_datastructure:

200

How do you terminate a for loop?

break

300

How do you go to the beginnig of a for loop?

continue

400

How would you count the elements in a data structure with a for loop?

count = 0

for character in data_structure:

     count += 1

print(count)

500

How do you use two variables as your increment in a for loop?

enumerate()

Functions

100

How do you change a string to a list?

list()

200

How do you use join()?

character_you_split_by.join(list_you_are_converting)

300

How do you make a string uppercase?

string.upper()

400

How do you make a string lowercase?

string.lower()

500

How do you use a program to see if a letter is uppercase without using .isupper()?

if letter != letter.lower():

       print("It is uppercase.")

Dictionaries

100

How do you define a dictionary?

{}

200

A dictionary value is assigned to a ____.

key

300

Once you have created a dictionary, how do you change one of its elements? (Use vocabulary words and write the format on the board)

dictionary_name[key] = value

400

What is the main difference between a dictionary and a list?

A list only stores elements, while a dictionary stores elements which can have their own separate value.

500

Create a dictionary with the names Charlie Brown, John Adams, and Mark Green and assign only a blank as their elements. Create a program to assign the number of LETTERS in the name to each key and print the final dictionary. You have 4 minutes. Write the code on the board.

names = {

    "Charlie Brown": "",

    "John Adams": "",

    "Mark Green": ""

}

for name in names:

    letters = 0

    for letter in name:

        if letter.isalpha() == True:

            letters += 1

    names[name] = letters

print(names)