Programming Q3 Review - Data Structures

What method would you use to add an item to the end of a list?

• insert()

• append()

• add()

• extend()

How do you create a dictionary?

• <key: value, ...>

• [key: value, ...]

• (key: value, ...)

• {key: value, ...}

What is the output of the following code:

list1 = [1, 2, 3]

print(list1[1])

• 2

• 4

• 3

• 1

How do you define a tuple in Python?

• Using parentheses ( )

• Using curly braces { }

• Using angle brackets <>

• Using square brackets [ ]

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

• Sets do not allow duplicates and is unordered, while lists allows duplicates and is ordered.

• Lists are faster than sets for searching elements.

• A set is a type of list that allows duplicates and is ordered.

• Sets can contain any data type, while lists can only contain numbers.

How do you iterate over a list using a for loop?

• for each_item in my_list:

  print(item)

• for item in range(len(my_list)): print(my_list[item])

• for item in my_list: print(item)

• for item: print(item) in my_list

What is the purpose of the break statement in a while loop?

• To pause the execution of the loop temporarily

• To continue the while loop indefinitely

• To skip the current iteration of the loop

• To exit the while loop prematurely

How do you check if a number is even, using a conditional?

• if (number % 2) == 0:

• if number > 0:

• if (number / 2) == 1:

• if (number % 2) != 0:

What are the main data types available in Python?

• floats, complices, lists

• integers, floats, strings, booleans

• strings, numbers, objects

• lists, sets, tuples, dictionaries

What is the result of 10 // 3?

• 1

• 2

• 3

• 3.333333