Functions Built-in

Question 1

mylist = [True, True, True]
x = all(mylist)
print(x)

Answer 1

True

Question 2

mylist = [False, True, False]
x = any(mylist)
print(x)

Answer 2

True

Question 3

x = ascii(“My name is Ståle”)

print(x)

Answer 3

‘My name is St\e5le’

Question 4

x = bin(3)

print(x)

Answer 4

# The result will always have the prefix 0b
0b11

Question 5

x = bool(1)

print(x)

Answer 5

True

Question 6

x = bytearray(2)

print(x)

Answer 6

bytearray(b’\x00\x00’)

Question 7

x = bytes(2)

print(x)

Answer 7

b’\x00\x00’

Question 8

def x():
  a = 5

print(callable(x))

Answer 8

True

Question 9

x = chr(97)

print(x)

Answer 9

a

Question 10

x = complex(3,5)

print(x)

Answer 10

(3+5j)

Question 11

class Person:
  name = "John"
  age = 36
  country = "Norway"

delattr(Person, ‘age’)

Answer 11

The age attribute will be deleted from the Person class

Question 12

x = dict(name = “John”, age = 36, country = “Norway”)

print(x)

Answer 12

{‘name’: ‘John’, ‘age’: 36, ‘country’: ‘Norway’}

Question 13

x = divmod(5, 2)

print(x)

Answer 13

(2, 1)

Question 14

x = ('apple', 'banana', 'cherry')
y = enumerate(x)

print(list(y))

Answer 14

[(0, ‘apple’), (1, ‘banana’), (2, ‘cherry’)]

Question 15

ages = [12, 17, 18, 24]

adults = filter(lambda a: a>=18, ages)
for x in adults:
print(x)

Answer 15

18

24

Question 16

x = float(3)

print(x)

Answer 16

3.0

Question 17

x = format(0.5, ‘%’)

print(x)

Answer 17

50.000000%

Question 18

mylist = [‘apple’, ‘banana’, ‘cherry’]
x = frozenset(mylist)
print(x)

Answer 18

frozenset({‘apple’, ‘banana’, ‘cherry’})

Question 19

class Person:
  name = "John"
  age = 36
  country = "Norway"

x = getattr(Person, ‘age’)

print(x)

Answer 19

36

Question 20

class Person:
  name = "John"
  age = 36
  country = "Norway"

x = hasattr(Person, ‘age’)

print(x)

Answer 20

True

Question 21

x = hex(255)

print(x)

Answer 21

#'0x' prefixes everything
0xff

Question 22

What is id()?

Answer 22

Returns a memory address. It will be different every time.

Question 23

print(“Enter your name:”)

x = input()

Answer 23

Allows the user to input stuff

Question 24

x = isinstance(5, int)

print(x)

Answer 24

True

Question 25

``` class myAge: age = 36 ``` ``` class myObj(myAge): name = "John" age = myAge ``` x = issubclass(myObj, myAge) print(x)

Answer 25

True

Question 26

x = iter(["apple", "banana", "cherry"]) print(next(x)) print(next(x)) print(next(x))

Answer 26

apple banana cherry

Question 27

x = map(lambda a: len(a), ('apple', 'banana', 'cherry')) | print(list(x))

Answer 27

[5, 6, 6]

Question 28

x = oct(200) print(x)

Answer 28

``` #Always starts with '0o' 0o310 ```

Question 29

f = open("demofile.txt", "r") print(f.read())

Answer 29

Hello! Welcome to demofile.txt This file is for testing purposes. Good Luck!

Question 30

x = ord("h") print(x)

Answer 30

``` #converts to unicode. opposite of ascii(). 104 ```

Question 31

x = pow(4, 3) print(x)

Answer 31

64

Question 32

alph = ["a", "b", "c", "d"] ralph = reversed(alph) for x in ralph: print(x)

Answer 32

d c b a

Question 33

``` class Person: name = "John" age = 36 country = "Norway" ``` setattr(Person, 'age', 40) The age property will now have the value: 40 x = getattr(Person, 'age') print(x)

Answer 33

40

Question 34

a = ("a", "b", "c", "d", "e", "f", "g", "h") x = slice(2) print(a[x])

Answer 34

('a', 'b')

Question 35

a = ("b", "g", "a", "d", "f", "c", "h", "e") x = sorted(a) print(x)

Answer 35

['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']

Question 36

x = tuple(("apple", "banana", "cherry")) print(x)

Answer 36

('banana', 'cherry', 'apple')

Question 37

``` a = ["John", "Charles", "Mike"] b = ["Jenny", "Christy", "Monica"] ``` x = zip(a, b) print(list(x))

Answer 37

[('John', 'Jenny'), ('Charles', 'Christy'), ('Mike', 'Monica')]

Question 38

``` def hacker_speak(txt): return txt.translate(str.maketrans('aeis', '4315')) ``` print(hacker_speak('games for life!'))

Answer 38

g4m35 f0r l1f3!

Question 39

print(eval('3*2'))

Answer 39

6