Common Functions

Question 1

Returns the absolute value of an integer

Answer 1

@abs()

x = abs(-7.25)
print(x)

@output - 7.25
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

abs(number)

Question 2

This function returns True if [ALL] items in an iterable are true, otherwise it returns False.

*Also returns True if iterable is empty

Answer 2

@all()

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

@output - True
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

all(iterable - list, tuple, dict)

Question 3

This function returns True if [ANY] items in an iterable are true, otherwise it returns False.

Answer 3

@any()

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

@output - True
@BEcuase one of the items in the list is True therefore it comes out as True
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

any(iterable - list, tuple, dict)

Question 4

Returns the boolean value of specified object, will usually return True unless empty, 0, or False

Answer 4

@bool()

x = bool(1)
@output - True
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

bool(object - String, Number, List)

Question 5

Creates a dictionary, you are able to set the variables and stuff

Answer 5

@dict()

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

print(x)

@output - {‘name’: ‘John’, ‘age’: 36, ‘country’: ‘Norway’}
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

dict(key = value, key value, etc…)

Question 6

Takes a collection(list, tuple, dict) and returns the index number of each element in the collection.

Answer 6

@enumerate()

x = (‘apple’, ‘banana’, ‘cherry’)
y = enumerate(x)

print(list(y))

@output - [(0, ‘apple’), (1, ‘banana’), (2, ‘cherry’)]
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

enumerate(iterable, start)
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

@EXTRA

x = (‘apple’, ‘banana’, ‘cherry’)
y = enumerate(x, start = 1) @Starts index at 1

print(list(y))

@output - [(1, ‘apple’), (2, ‘banana’), (3, ‘cherry’)]

Question 7

Converts the specified number into a hexadecimal value.

Answer 7

@hex()

x = hex(255)
print(x)

@output - 0xff

Syntax - hex(number)

Question 8

Returns the hash value of the specified object

Answer 8

@hash()

hash(42)

@output - UNKNOWN

Question 9

Allows for user input

Answer 9

@input()

x = input(‘Enter your name: ‘)
print(f’Hello {x}!’)

@output - Hello ________ = input

Question 10

Returns the item with the lowest value

Answer 10

@min()

example_list = [1,2,3,4,5]

y = min(example_list)

x = min(5, 10)

print(y)

print(x)

@output -
1
5
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

min(n1, n2, n3, …)

or

min(iterable)

Question 11

Returns the item with the highest value

Answer 11

@max()

example_list = [1,2,3,4,5]

y = max(example_list)

x = max(5, 10)

print(y)

print(x)

@output -
5
10
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

max(n1, n2, n3, …)

or

max(iterable)

Question 12

Opens a file

Answer 12

@open()

f = open(“demofile.txt”, “r”)

print(f.read())

@output - Welcome User! @The demofile.txt contains this message
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

open(file, mode)

@modes - r[read], w[write], a[append], x[create]

Question 13

This function returns a sequence of numbers, starting from 0 by default, and increments by 1 (by default), and stops before a specified number.

Answer 13

@range()

x = range(6)
for n in x:
print(n)

@output -
0
1
2
3
4
5
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

range(start, stop, step)
@Step - increments of ___

Question 14

Returns a reversed iterable

Answer 14

@reversed()

alph = [“a”, “b”, “c”, “d”]

ralph = reversed(alph)

for x in ralph:
print(x, end=’ ‘)

@output - d c b a
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

reversed(sequence)

Question 15

Returns a rounded decimal / floating point

Answer 15

@round()

x = round(5.76543, 2) @2 = 2 digits from decimal

print(x)

@output - 5.77
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

round(number, digits [optional] )
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

x = round(5.5)
y = round(5)
print(x)
print(y)

@output -
6
5

Question 16

Creates a set object [items are unordered]

Answer 16

@set()

x = set((“apple”, “banana”, “cherry”))

print(x)

@output - {‘cherry’, ‘banana’, ‘apple’}
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

set(iterable)

Question 17

Returns a portion of an object, you can choose what portion

Answer 17

@slice()

a = (“a”, “b”, “c”, “d”, “e”, “f”, “g”, “h”)

x = slice(3)

print(a[x])

@output - (‘a’, ‘b’, ‘c’)
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

slice(start, stop, step) @step = increments
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

my_list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

subset = my_list[2:7]

print(“Subset using slice:”, subset)

[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

EXTRA

my_list = [2, 4, 6, 8, 10, 12]

my_slice = slice(1, 3)

subset = my_list[my_slice]

print(“Subset using slice object:”, subset)

Question 18

Returns a tuple object

Answer 18

@tuple()

x = [“Alice”, “Bob”, “Charlie”]

names = tuple(x)

@ouput - (‘Alice’, ‘Bob’, ‘Charlie’)

Question 19

Sums the items of an iterable

Answer 19

@sum()

a = (1, 2, 3, 4, 5)
x = sum(a)
print(x)

@output - 15

[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
SYNTAX

sum(iterable, extra) @extra number to add
[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
EXTRA

a = (1, 2, 3, 4, 5)
x = sum(a, 7)
print(x)

@output - 22 @ 7 + 1 + 2 + 3 + 4 + 5

Question 20

Returns the type of an object

Answer 20

@type()

a = (‘apple’, ‘banana’, ‘cherry’)
b = “Hello World”
c = 33

x = type(a)
y = type(b)
z = type(c)

@output -

<class ‘tuple’>
<class ‘str’>
<class ‘int’>

[][][][][][][][][][][][][][][][][][][][][][][][][][][][][]