Python Data Structures Flashcard

Front

What is the primary difference between a list and a tuple in Python?

Back

Lists are mutable, tuples are immutable.

Front

How do you access the value associated with the key "Vance" in a dictionary called classmates?

Back

classmates["Vance"]

Front

Can a set contain duplicate elements in Python?

Back

No

Front

What is the method used to add an element to the end of a list?

Back

append()

Front

What is the output of the following code: my_tuple = (1, 2, 3, 4, 5) print(my_tuple[2])

Back

3

Front

What is the difference between a set and a dictionary in Python?

Back

Sets are unordered collections of elements, dictionaries are collections of key-value pairs.

Front

How do you check if a key exists in a dictionary?

Back

if key in dictionary:

Front

What is the syntax for creating an empty list in Python?

Back

[]

Front

Can you change the value of a key in a dictionary?

Back

Yes

Front

What is the output of the following code: my_list = [10, 20, 30, 40, 50] print(my_list[-2])

Back

40