Week 2

Question 1

How do you import a few items from a library?

Answer 1

from library import item, item, …

Question 2

How do you install new libraries?

Answer 2

With: pip install library
Or: python -m pip install library

Question 3

What does from library import * do?

Answer 3

It imports all public names from a module directly into the current namespace.

Question 4

How should you format a print statement while debugging?

Answer 4

print(“DEBUG: …”)

Question 5

What can RGB values range from?

Answer 5

0-255

Question 6

What are the three main aspects of coding?

Answer 6

1. Thinking/planning
2. Coding
3. Debugging

Question 7

What are the three main aspects of coding?

Answer 7

1. Thinking/planning
2. Coding
3. Debugging

Question 8

What are three aspects of thinking before you code?

Answer 8

1. Read the entire specification
2. Take notes (digitally/physically)

3.Think about how the program should work/interact (potential problems, missing knowledge)

Question 9

Which order should you use ID & SR in your assignments?

Answer 9

Break down with SR, code with ID.

Question 10

How are tuples written?

Answer 10

1. tuple_name = (‘item1’, ‘item2’)
   Or
2. tuple_name = ‘item1’, ‘item2’

Question 11

How do you write tuples with a single element?

Answer 11

With a comma after the first element

Question 12

What operations can be performed on tuples?

Answer 12

All operations that can be performed on lists that don’t change the lists.

Question 13

What operations can be done on dictionaries?

Answer 13

len(), containment

Question 14

Does containment look at keys or values in dictionaries?

Answer 14

Keys

Question 15

What type of error will you get if you search for a key that is not in a dictionary?

Answer 15

A KeyError

Question 16

What is a traceback error?

Answer 16

The code has not been written according to the rules of language or something has been used incorrectly

Question 17

What is a logic error?

Answer 17

It means your code does not produce the correct or expected output

Question 18

What does the list() function do?

Answer 18

Converts an iterable (tuple, set, list, etc.) into a list

Question 19

What does the tuple() function do?

Answer 19

Converts an iterable (list, set, string,etc.) into a tuple

Question 20

What does the sorted() function do?

Answer 20

It returns a new list containing all items from the iterable in ascending order without changing the original iterable

Question 21

What does the reversed() function do?

Answer 21

Returns an iterable that accesses the given sequence in reverse order

Question 22

What does the zip() function do?

Answer 22

Aggregates elements from two or more iterables into tuples, creating pairs of elements based on their positions

Question 23

What does the map() function do?

Answer 23

Applies a given function to each item of an iterable and returns a map object (an iterator) containing the results

Question 24

What does the filter() function do?

Answer 24

Creates an interator from elements of an iterable for which a function returns True

Question 25

How can you access items in a tuple?

Answer 25

With indexing (similar to lists):
tuple_name[#]

Question 26

How can you access items in a tuple?

Answer 26

With indexing (similar to lists):
tuple_name[#]

Question 27

What are frames?

Answer 27

Frames are a data structure that holds information about the execution state of a program

Question 28

What are tuples?

Answer 28

A tuple is an immutable, ordered built-in data type in Python used to store a collection of items

Question 29

What are containment operators?

Answer 29

They are used to check whether a value or an element exists within a container (“in”, “not in”)

Question 30

How do you bind a library name to something else?

Answer 30

import library as bind_name