w2

Question 1

what does \n mean

Answer 1

represents a new line

Question 2

print(item1 * 5)

Answer 2

prints the item1 5 times

Question 3

how do I combine strings

Answer 3

items = item1 + “\n” + item 2

Question 4

words1 = item1.split()

Answer 4

separates the words on the string item1

Question 5

words1 = item1.split(“a”)

Answer 5

split the string at every occurrence of a, removing a

Question 6

is “item 1 = playstation” valid??

Answer 6

no nigga no spaces in variable names

Question 7

What are lists

Answer 7

used for keeping track of a sequence of items

Question 8

what does len() do

Answer 8

determines how many items (elements) are in a list

Question 9

how to determine a specific item in list

Answer 9

my_comp[2]

Question 10

how to determine last item in a list

Answer 10

my_comp[-1]

Question 11

adding item to a list

Answer 11

listname.append(‘item_name’)

Question 12

adding item to specific point/number

Answer 12

listname.append(specific index, ‘item_name’)

Question 13

removing items

Answer 13

listname.remove(‘item_name’)

Question 14

removing item to specific point/number

Answer 14

listname.pop(‘specific index’)

Question 15

what happens if no index is given for removing items

Answer 15

will remove last item

Question 16

explain negative indexing

Answer 16

refers from starting from the end, -1 refers to last item, -2 refers to second last item etc

Question 17

what is index of first item

Answer 17

0

Question 18

slicing code

Answer 18

list name[startindex:endindex]

Question 19

detail about end index

Answer 19

it is always excluded

Question 20

what happens when you leave out the start index from slicing i.e [:2]

Answer 20

will start from the first item

Question 21

what happens when you leave out the end index from slicing i.e [2:]

Answer 21

will finish at the last item

Question 22

changing a range of items?

Answer 22

list_name[start:end] = “values to update”

Question 23

What is a tuple

Answer 23

An ordered sequence of elements that is unchangeable (immutable)

Question 24

what is a set

Answer 24

A disorganised collection of unique elements

Question 25

Dictionary

Answer 25

An ordered collection of unique elements

Question 26

Are lists mutable

Answer 26

yes

Question 27

Are tuples mutable

Answer 27

no

Question 28

Are sets mutable

Answer 28

yes the entire set is but items inside the set is immutable i.e integers, strings

Question 29

are dictionaries mutable

Answer 29

yes

Question 30

are lists ordered

Answer 30

yes

Question 31

are tuples ordered

Answer 31

yes

Question 32

are sets ordered

Answer 32

no

Question 33

are dictionaries ordered

Answer 33

yes

Question 34

are lists able to be indexed/sliced

Answer 34

yes

Question 35

are tuples able to be indexed/sliced

Answer 35

yes

Question 36

are sets able to be indexed/sliced

Answer 36

no

Question 37

are dictionaries able to be indexed/sliced

Answer 37

yes

Question 38

do lists allow duplicate elements

Answer 38

yes

Question 39

do tuples allow duplicate elements

Answer 39

yes

Question 40

do sets allow duplicate elements

Answer 40

no

Question 41

do dictionaries allow duplicate elements

Answer 41

no

Question 42

what does [] rep

Answer 42

lists

Question 43

what does () rep

Answer 43

tuples

Question 44

what does {} rep

Answer 44

sets, dictionaries

Question 45

diff between sets and dictionaries

Answer 45

Sets contain only values (no key-value pairs). Dictionaries contain key-value pairs, where each key is associated with a value.

Question 46

why can't tuples be updated easily

Answer 46

they are immutable

Question 47

how to update tuples process

Answer 47

convert tuple into a list do append or remove convert it back to a tuple

Question 48

explain range () function

Answer 48

range(start number, end number (not included), increment number)

Question 49

what would range (2, 12, 3) print

Answer 49

2,5,8,11

Question 50

what is a literal

Answer 50

just a constant

Question 51

what are string literals

Answer 51

text inclosed by delimeters

Question 52

what are delimiters and examples

Answer 52

characters seperating data examples are single or double quotation marks

Question 53

when should triple delimiters be used

Answer 53

when string includes characters on a new line

Question 54

how do you make a prompt and return the answer as a string say like for a name

Answer 54

name = input("what's ur name?")

Question 55

how do you make a prompt and return the answer as an integer say for weight

Answer 55

weight = int(input("how much do you weigh"))

Question 56

explain formatting with f string

Answer 56

f"{variable:{width}.{precision}f}" width refers to how far across precision refers to how many d.p f is a fixed point