olevoniuk profile - python coding challenges

First

Count Digits

isdigit

sum

if-comprehension

list-comp

comprehension

9

5

First

Replace First

typing.Iterable

Iterable

typing

list

18

2

First

Remove All Before

ValueError

index

typing.Iterable

Iterable

except

20

2

First

Correct Sentence

endswith

upper

inline-if

str

2

First

The Most Frequent

collections.namedtuple

namedtuple

groupby

itertools.groupby

itertools

First

All Upper I

re.search

search

r-string

isupper

re

First

Nearest Value

add

index

abs

set

inline-if

First

Beginning Zeros

match

re.match

r-string

re

inline-if

3

1

First

Max Digit

max

int

str

First

Split Pairs

inline-if

list-comp

range

comprehension

len

First

Sum Numbers

isdigit

sum

if-comprehension

list-comp

split

First

Between Markers (simplified)

find

str

First

All the Same

Any

typing.Any

List

typing.List

bool

4

1

First

End Zeros

re.search

search

r-string

re

inline-if

1

First

Second Index

find

None

replace

inline-if

int

4

10

First

Backward Each Word

re.sub

sub

r-string

re

lambda

8

17

First

Bigger Price

lambda

sorted

True

list

int

11

First

Sun Angle

datetime.strptime

strptime

datetime.datetime

datetime

or

2

First

Between Markers

find

and

split

str

len

8

First

Morse Decoder

capitalize

join

list-comp

split

comprehension

First

Days Between

datetime.datetime

datetime

abs

13

1

First

Even the Last

enumerate

inline-if

sum

if-comprehension

list-comp

3

First

Non-unique Elements

count

if-comprehension

list-comp

list

comprehension

2

First

Sort Array by Element Frequency

collections.Counter

Counter

collections

index

lambda

4

First

Date and Time Converter

datetime.strptime

strptime

endswith

f-string

datetime.datetime

2

1

First

Split List

inline-if

list

len

2

1

First

Three Words

re.search

search

r-string

re

bool

5

1

First

Popular Words

dict-comp

dict

lower

in

split

First

First Word

re.search

search

r-string

re

str

First

Pawn Brotherhood

f-string

find

set

or

in

First

Right to Left

tuple

replace

join

list-comp

comprehension

First

Find Sequence

diff

numpy.diff

numpy.zeros

zeros

numpy.array

8

4

First

Sort by Extension

match

re.match

r-string

List

typing.List

14

3

First

Words Order

bool

if-comprehension

in

and

append

1

First

Unix Match. Part 2

match

re.match

re.sub

sub

f-string

First

Unix Match. Part 1

match

re.match

re

replace

bool

First

Acceptable Password V

re.search

search

r-string

re

isdigit

First

Acceptable Password VI

re.search

search

r-string

re

isdigit

First

All Upper II

isupper

bool

str

First

Acceptable Password IV

re.search

search

r-string

re

isdigit

First

Surjection Strings

add

bool

set

in

False

First

Acceptable Password III

re.search

search

r-string

re

isdigit

First

Acceptable Password II

re.search

search

r-string

re

bool

First

Digits Multiplication

if-comprehension

list-comp

comprehension

int

str

1

First

Ascending List

typing.Iterable

Iterable

bool

typing

False

2

1

First

Sum by Type

Tuple

typing.Tuple

type

is

typing

2

12

1

First

YAML. More Types

match

re.match

r-string

continue

re

10

5

First

Follow Instructions

elif

else

for

if

1

First

Caps Lock

re.sub

sub

r-string

upper

re

7

1

First

Bird Language

re.sub

sub

r-string

re

4

First

YAML. Simple Dict

match

re.match

r-string

re

isdigit

First

The Hidden Word

find

enumerate

max

lower

join

4

First

Remove Accents

category

unicodedata.category

normalize

unicodedata.normalize

unicodedata

First

Conversion from CamelCase

re.sub

sub

f-string

r-string

re

First

Conversion into CamelCase

capitalize

join

list-comp

split

comprehension

2

First

Goes Right After

find

bool

or

False

str

1

First

Time Converter (24h to 12h)

datetime.strptime

strptime

datetime.datetime

datetime

lstrip

First

Secret Message

isupper

join

if-comprehension

list-comp

comprehension

3

1

First

Letter Queue

List

typing.List

pop

typing

join

First

I Love Python!

First

Pangram

set

lower

First

Common Words

set

sorted

join

split

str

First

Absolute Sorting

tuple

abs

lambda

sorted

list

First

The Most Wanted Letter

collections.Counter

Counter

collections

isalpha

lower

First

Compress List

enumerate

typing.Iterable

Iterable

typing

if-comprehension

4

5

1

First

Median of Three

enumerate

typing.Iterable

Iterable

typing

sorted

8

1

First

Flatten a List (generator version)

yield

isinstance

else

int

for

9

First

Lightbulb Start Watching

Optional

typing.Optional

datetime.datetime

datetime

List

10

First

Majority

bool

count

False

True

list

14

12

1

First

Remove All After

ValueError

index

typing.Iterable

Iterable

except

20

9

First

The Flat Dictionary

update

type

is

not

elif

First

Replace Last

list

5

1

First

Reverse Every Ascending

chain

itertools.chain

is

itertools

None

First

Lightbulb Intro

datetime.datetime

datetime

List

typing.List

typing

3

First

Xs and Os Referee

diag

numpy.diag

numpy.rot90

rot90

numpy.array

First

Sort Except Zero

enumerate

pop

typing.Iterable

Iterable

typing

3

First

Frequency Sorting

collections.Counter

Counter

collections

lambda

sorted

1

First

Median

statistics.median

statistics

median

float

List

First

Index Power

inline-if

list

int

len

4

First

Flatten a List

type

is

append

else

int

First

Straight Fight

class

property

super

type

decorator

5

First

Text Editor

class

f-string

append

7

1

First

Geometry Figures

class

math.pi

pi

round

math

First

Army Units

ABC

abc.ABC

abc.abstractmethod

abstractmethod

abc

First

Capital City

class

super

type

if

First

Hacker Language

class

isspace

re.sub

sub

chr

First

The Healers

class

property

super

type

decorator

First

Microwave Ovens

abc.abstractmethod

abstractmethod

abc

class

raise

First

Party Invitations

class

f-string

remove

append

for

First

Voice TV Control

class

type

is

else

int

First

3 Chefs

ABC

abc.ABC

abc.abstractmethod

abstractmethod

abc

First

Dialogues

class

f-string

None

inline-if

join

First

The Vampires

class

property

super

decorator

insert

First

The Defenders

class

property

super

decorator

insert

First

Multicolored Lamp

cycle

itertools.cycle

class

First

Every Person is Unique

class

datetime.strptime

strptime

f-string

datetime.datetime

First

Army Battles

class

property

super

decorator

insert

First

The Warriors

class

property

super

decorator

not

First

Building Base

class

f-string

First

Chess Knight

f-string

add

continue

index

set

First

Can Balance

reversed

enumerate

typing.Iterable

Iterable

typing

1

First

Determinant

numpy.linalg.det

det

numpy

round

First

Bigger Together

itertools.permutations

permutations

itertools

List

typing.List

First

Caesar Cipher (decryptor)

isspace

chr

ord

isalpha

or

First

Cut Sentence

pop

join

append

split

len

First

The Greatest Common Divisor

math.gcd

gcd

functools.reduce

reduce

functools

1

First

Caesar Cipher (encryptor)

chr

ord

inline-if

join

list-comp

First

Best Stock

dict

items

max

lambda

str

First

Binary Count

bin

count

int

First

Fizz Buzz

and

int

str

if

First

How to Find Friends

DisjointSet

scipy.cluster.hierarchy.DisjointSet

scipy

add

split

3

First

Count Chains

scipy.sparse.csgraph.connected_component

connected_components

scipy

numpy.array

array

5

First

Long Repeat

findall

re.findall

r-string

re

max

3

First

Making Change

float

min

None

inline-if

list-comp

First

Roman Numerals

while

for

3

First

Morse Encoder

lower

join

list-comp

split

comprehension

First

The Most Numbers

min

max

not

if

7

1

First

Oil Pie

Fraction

fractions.Fraction

fractions

abs

sum

First

Find Quotes

findall

re.findall

r-string

re

First

Clock Angle

min

abs

list-comp

split

comprehension

First

Counting Tiles

math.ceil

ceil

math

continue

elif

First

Largest Rectangle in a Histogram

combinations

itertools.combinations

itertools

min

max

First

Feed Pigeons

max

while

append

True

range

First

Monkey Typing

set

lower

sum

if-comprehension

in

With next

Zigzag Array

StopIteration

List

typing.List

19

with

When is Friday?

with

class

datetime.strptime

strptime

as

First

Swap Nodes

from_iterable

itertools.from_iterable

itertools.zip_longest

zip_longest

chain

First

Transposed Matrix

numpy.array

array

numpy

as

List

First

Middle Characters

inline-if

len

First

Long Non Repeat

set

max

inline-if

len

First

Long Repeat Inside

re.search

search

r-string

format

re

7

2

First

The Highest Building

numpy.array

array

numpy

enumerate

max

18

First

The Cheapest Flight

itertools.permutations

permutations

itertools

List

typing.List

First

Expand Intervals

typing.Iterable

Iterable

typing

list-comp

range

First

Cookies

re.search

search

re

3

First

Merge Intervals

max

append

else

for

if

First

Create Intervals

tuple

or

sorted

append

list-comp

First

The Most Frequent Weekdays

calendar.isleap

isleap

calendar

datetime.timedelta

timedelta

First

The End of Other

endswith

False

and

True

for

First

On the same path

typing.Union

Union

Tuple

typing.Tuple

List

4

First

Atbash Cipher

find

not

inline-if

join

elif

5

First

URL Normalization

startswith

rstrip

re.sub

sub

insert

First

Hubspot Amulet

itertools.product

product

itertools

range

for

First

Worth of Words

max

lambda

sum

list-comp

comprehension

First

Simple Hashlib

hashlib.sha1

hashlib.sha224

hashlib.sha256

hashlib.sha384

hashlib.sha512

First

Speech Module

strip

and

if

First

Ryerson Letter Grade

OrderedDict

collections.OrderedDict

items

collections

lambda

10

First

Sum Consecutives

groupby

itertools.groupby

itertools

sum

list-comp

11

7

First

Simple Areas

math.pi

pi

math

elif

else

1

First

Double Substring

count

and

range

len

for

First

Digit Stack

startswith

pop

elif

append

int

First

House Password

re.search

search

r-string

re

bool

First

English to Braille Translator

int32

numpy.int32

concatenate

numpy.concatenate

numpy.zeros

6

First

Weak Point

argmin

numpy.argmin

numpy.sum

numpy

as

First

Skew-symmetric Matrix

numpy.all

numpy.array

array

numpy

all

First

The Rows of Cakes

combinations

itertools.combinations

add

itertools

tuple

First

Saw the Stick

zip

sum

if-comprehension

list-comp

range

First

Word Pattern

bin

zip

isdigit

inline-if

False

First

New Cities

scipy.sparse.csgraph.connected_component

connected_components

scipy

numpy.zeros

zeros

3

First

Node Disconnected Users

scipy.sparse.csgraph.connected_component

connected_components

scipy

numpy.zeros

zeros

3

First

City's Happiness

scipy.sparse.csgraph.connected_component

connected_components

scipy

numpy.zeros

zeros

4

First

Weekly Calendar

Calendar

calendar.Calendar

calendar

List

typing.List

5

First

Non Empty Lines

isspace

not

sum

if-comprehension

and

Levenshtein

String Conversion

numpy.zeros

zeros

numpy

as

min

4

First

Reversed Permutation Index

math.factorial

factorial

divmod

remove

math

17

First

The First Working Day

datetime.strptime

strptime

datetime.timedelta

timedelta

datetime.datetime

First

Stressful Subject

endswith

re.search

search

r-string

isupper

2

1

First

Unlucky Days

datetime.timedelta

timedelta

datetime.datetime

datetime

and

First

Min and Max

get

lambda

list

len

for

First

Pattern Recognition

numpy.array

array

numpy

as

all

18

First

The Nearest Square Number

round

First

Compass, Map and Spyglass

None

abs

max

elif

range

First

Ground for the House

rfind

is

find

enumerate

min

First

The Ship Teams

items

or

sorted

append

else

1