python functions

Question 1

remove whitespace from ‘ this sentence right here ‘

Answer 1

x = '  this sentence right here '
x = x.strip()

Question 2

a string is my_string = 'abcdefg'
get: 
'c'
'cde'
'fg'
'bcdef'

Answer 2

my_string[2]
my_string[2:5]
my_string[-2:]
my_string[1:-1]

Question 3

get index within a list of list item x

Answer 3

my_list.index()

Question 4

get count of a specific item x within a list

Answer 4

my_list.count(x)

Question 5

add an item to list end

Answer 5

my_list.append(x)

Question 6

remove first matching item from list

Answer 6

my_list.remove(x)

Question 7

reverse a list

Answer 7

my_list.reverse()

Question 8

function to remove item from list given the index or you want to remove from end, returning the item from the function

Answer 8

my_list.pop(index or if none, removes last item)

Question 9

insert item to list at specific index

Answer 9

my_list.insert(index, x)

Question 10

sort a list

Answer 10

my_list.sort()

Question 11

uppercase a string

Answer 11

my_string.upper()

Question 12

lowercase a string

Answer 12

my_string.lower()

Question 13

get count of item in list or substring within string

Answer 13

my_string.count(‘x’)

my_list.count(x)