pokryshkin profile - python coding challenges

regular expression

Count Digits

findall

re.findall

r-string

re

join

First

Nearest Value

sort

pop

abs

set

lambda

First

Remove All Before

index

typing.Iterable

Iterable

typing

in

First

Sum Numbers

isdigit

split

range

int

str

First

The Most Frequent

set

max

lambda

count

print

First

Easy Unpack

tuple

1

len-count

All the Same

Any

typing.Any

List

typing.List

bool

itertools

Changing direction

itertools.tee

tee

itertools.starmap

starmap

groupby

second

Bigger Price

lambda

sorted

True

list

int

1

sum of the members

Missing Number

min

max

sum

print

list

1

flattening 2D list

Duplicate Zeros

typing.Iterable

Iterable

typing

inline-if

sum

First

Split List

not

list

int

len

if

Second (collection)

Popular Words

re.compile

compile

collections.Counter

Counter

findall

First

Right to Left

tuple

replace

join

str

First

Three Words

isalpha

bool

False

True

split

First

Even the Last

sum

list

else

int

if

First

Non-unique Elements

count

if-comprehension

list-comp

range

list

First

Similar Triangles

pow

Tuple

typing.Tuple

math.sqrt

sqrt

19

9

1

dict

Surjection Strings

dict

zip

bool

join

list-comp

6

1

First

Unix Match. Part 1

re.compile

compile

findall

re.findall

r-string

First

Brackets

filter

any

break

replace

not

9

str.isalpha() & str.upper()

All Upper II

upper

isalpha

bool

if-comprehension

False

3

1

dfs

Can You Pass?

collections.defaultdict

defaultdict

dict-comp

keys

items

regular expression

Words Order

re.compile

compile

findall

re.findall

r-string

math.prod

Digits Multiplication

math.prod

prod

math

if-comprehension

list-comp

7

First

Ascending List

typing.Iterable

Iterable

bool

set

typing

1

Second

Acceptable Password VI

isdisjoint

digits

string.digits

string

find

1

First

YAML. More Types

dict-comp

None

replace

isdigit

inline-if

12

5

text.split('a')

Caps Lock

upper

join

split

range

str

8

First

Conversion from CamelCase

ascii_uppercase

string.ascii_uppercase

string

lower

inline-if

11

isinstance => sum or join

Sum by Type

Tuple

typing.Tuple

isinstance

typing

sum

7

1

First

I Love Python!

4

datetime

Time Converter (24h to 12h)

datetime.time

time

datetime.strptime

strptime

datetime.datetime

1

First

YAML. Simple Dict

dict-comp

isdigit

not

inline-if

if-comprehension

matrix rotation

The Hidden Word

ljust

find

zip

None

max

instructions.count

Follow Instructions

count

for

if

5

1

First

Pangram

ascii_letters

string.ascii_letters

ascii_lowercase

string.ascii_lowercase

string

8

1

First

Conversion into CamelCase

capitalize

join

list-comp

split

comprehension

1

string.ascii_uppercase

Secret Message

ascii_uppercase

string.ascii_uppercase

string

join

if-comprehension

2

1

First

Absolute Sorting

tuple

abs

sorted

list

2

First

Bird Language

while

in

elif

len

if

regular expression

Striped Words

fullmatch

re.fullmatch

IGNORECASE

re.IGNORECASE

re.sub

set.intersection

Common Words

rstrip

set

sorted

join

list-comp

1

First

The Most Wanted Letter

ascii_lowercase

string.ascii_lowercase

string

lower

lambda

items.count

Majority

bool

count

False

True

list

4

5

First

Lightbulb Operating

clear

typing.Union

Union

Optional

typing.Optional

8

First

Multiple Lightbulbs

clear

typing.Union

Union

Optional

typing.Optional

10

First

The Final Stone

sort

pop

abs

print

while

14

sum\map\int\str

Sum of Digits

map

sum

print

while

int

17

brute force

Loading Cargo

itertools.permutations

permutations

itertools

abs

break

5

1

First

Reverse Every Ascending

sorted

while

append

True

else

sorted without zeroes

Sort Except Zero

pop

typing.Iterable

Iterable

typing

sorted

First

Flatten a List

join

if-comprehension

list-comp

split

comprehension

First

Army Units

class

raise

type

f-string

pass

First

The Weapons

vars

setattr

class

getattr

hasattr

First

Straight Fight

class

itertools.zip_longest

zip_longest

staticmethod

property

First

The Lancers

class

staticmethod

property

super

type

First

The Healers

class

staticmethod

property

super

type

First

Voice TV Control

class

type

in

elif

else

First

The Warlords

id

vars

setattr

hash

class

First

Hacker Language

class

chr

bin

ord

lstrip

Third

The Vampires

class

staticmethod

property

super

type

First

Geometry Figures

math.tan

tan

ABC

abc.ABC

abc.abstractmethod

First

Capital City

class

is

None

if

Second

The Defenders

class

staticmethod

property

super

decorator

First

Microwave Ovens

class

zfill

divmod

property

super

First

Dialogues

class

f-string

values

pass

None

First

Every Person is Unique

class

datetime.strptime

strptime

f-string

datetime.datetime

First

Party Invitations

typing.Set

Set

class

add

remove

Second

Army Battles

class

staticmethod

property

super

decorator

First

3 Chefs

class

f-string

None

str

First

Text Editor

vars

class

f-string

dict

List

First

Multicolored Lamp

class

None

1

First

Friends

class

update

super

set-comp

ValueError

__slots__

The Warriors

class

property

super

type

f-string

First

Building Base

class

f-string

defaultdict

Switch Keys to Values

collections.defaultdict

defaultdict

add

items

collections

3

2

1

First

Long Pressed

groupby

itertools.groupby

all

itertools

map

7

mess

Chemical Analysis

clear

re.split

copy

isinstance

extend

9

First

Escape

round

continue

abs

max

not

11

First

Bigger Together

itertools.permutations

permutations

itertools

tuple

List

13

8

sorted

Best Stock

get

dict

pop

sorted

str

8

First

Can Balance

reverse

typing.Iterable

Iterable

typing

sum

regular expression

Currency Style

rstrip

findall

re.findall

r-string

lstrip

First

Cut Sentence

break

join

split

range

len

First

Achilles and the Tortoise

First

Caesar Cipher (encryptor)

index

inline-if

join

list-comp

comprehension

First

Binary Count

bin

count

int

str

First

Fizz Buzz

and

int

str

if

First

Not in Order

map

lambda

sum

print

sorted

4

First

One Switch Strings

collections.Counter

Counter

collections

map

bool

11

First

Count Chains

from_iterable

itertools.from_iterable

clear

chain

itertools.chain

matrix

Largest Rectangle in a Histogram

max

list-comp

range

comprehension

else

First

Morse Encoder

lower

inline-if

join

list-comp

list

1

regular expression

Find Quotes

findall

re.findall

r-string

re

replace

First

Long Repeat

range

else

int

str

len

max - min

The Most Numbers

round

min

max

not

if

1

3

dfs

How to Find Friends

from_iterable

itertools.from_iterable

chain

itertools.chain

collections.defaultdict

First

Monkey Typing

set

lower

count

inline-if

sum

Second (reduce())

Monkey Typing

functools.reduce

reduce

functools

set

lower

First

Zigzag Array

List

typing.List

typing

sorted

list-comp

First

Middle Characters

inline-if

len

First

Swap Nodes

range

len

for

if

First

IP Network: Route Summarization

rjust

bin

break

set

join

First

When is Friday?

datetime.strptime

strptime

as

datetime.datetime

datetime

1

Dijkstra heapq

The Cheapest Flight

math.inf

inf

heappush

heapq.heappush

heappop

7

Trigonometry

Searchlights

math.radians

radians

math.cos

cos

math.sin

9

matrix rotation

The Highest Building

zip

pop

index

max

sum

12

Greatest common divisor

Evenly Spaced Trees

math.gcd

gcd

List

typing.List

math

First

Expand Intervals

typing.Iterable

Iterable

typing

append

range

First

Merge Intervals

copy

tuple

or

while

and

First

Shooting Range

pow

math.sqrt

sqrt

round

tuple

First

Painting Wall

copy

sort

lambda

or

while

First

Cookies

find

len

if

Shoelace formula

Area of a Convex Polygon

abs

append

range

len

for

regular expression

The End of Other

re.compile

compile

findall

re.findall

r-string

First

Worth of Words

sum

list-comp

comprehension

for

if

3

1

Second (generator & next)

Worth of Words

sum

print

while

wikipedia

Humpty Dumpty Form

math.atanh

atanh

math.asin

asin

pow

First

The Longest Palindromic

min

range

len

for

if

First

Speech Module

rstrip

and

list-comp

comprehension

int

dictionary

Ryerson Letter Grade

get

True

int

str

19

5

1

First

Sum Consecutives

not

append

range

else

len

matrix & set

Building Visibility

remove

sort

enumerate

set

max

First

Robot Sort

not

while

False

True

range

brute force & re

Double Substring

re.compile

compile

findall

re.findall

r-string

dfs

Calculate Islands

collections.defaultdict

defaultdict

values

dict-comp

keys

sets

House Password

issubset

ascii_letters

string.ascii_letters

union

digits

3

1

First

Digit Stack

class

TypeError

pass

pop

None

First

Team Play

operator.sub

operator

sub

List

typing.List

4

bfs

Supply Line

difference_update

math.inf

inf

collections.deque

deque

13

First

City's Happiness

math.inf

inf

discard

copy.deepcopy

deepcopy

dfs. count components in graph

New Cities

collections.defaultdict

defaultdict

update

dict-comp

keys

dfs

Node Disconnected Users

collections.defaultdict

defaultdict

update

values

dict-comp

matrix 0 & 1

Rectangles Union

Tuple

typing.Tuple

List

typing.List

min

5

First

Spaceship Landing Strip

enumerate

index

break

count

inline-if

First

Unlucky Days

calendar.day_name

day_name

calendar

date

datetime.date

regular expression

Stressful Subject

findall

re.findall

r-string

isupper

re

dfs

Radiation Search

collections.defaultdict

defaultdict

values

dict-comp

keys

First

Most Wanted Letter

ascii_lowercase

string.ascii_lowercase

string

set

lower