vasily_bortnikov profile - python coding challenges

First

Nearest Value

map

min

abs

set

lambda

13

16

1

First

Correct Sentence

islower

upper

str

if

1

First

Is Even

bool

not

inline-if

int

First

Count Digits

map

isdigit

sum

int

str

5

1

First

All Upper I

strip

isupper

isdigit

bool

not

First

Between Markers (simplified)

find

str

First

First Word (simplified)

ValueError

index

except

try

str

First

Acceptable Password I

bool

str

len

First

Backward String

str

First

Number Length

int

str

len

First

Beginning Zeros

startswith

while

int

str

First

Remove All Before

index

typing.Iterable

Iterable

typing

in

First

Split Pairs

inline-if

list-comp

range

comprehension

len

First

End Zeros

else

int

str

for

if

First

Replace First

typing.Iterable

Iterable

typing

list

3

1

First

Max Digit

max

list-comp

comprehension

int

str

2

First

Sum Numbers

findall

re.findall

r-string

map

re

2

First

Easy Unpack

tuple

First

All the Same

Any

typing.Any

List

typing.List

bool

First

Morse Decoder

capitalize

replace

join

list-comp

split

First

Date and Time Converter

match

re.match

r-string

format

re

First

Sort Array by Element Frequency

index

lambda

count

sorted

list-comp

First

Split List

not

list

len

if

2

First

Backward Each Word

findall

re.findall

r-string

re

join

1

First

Bigger Price

lambda

sorted

True

list

int

First

Popular Words

dict-comp

get

dict

None

lower

First

Sun Angle

re.search

search

round

re

not

First

Between Markers

find

inline-if

str

len

if

First

First Word

isspace

replace

not

split

str

First

Days Between

date

datetime.date

datetime

abs

First

Pawn Brotherhood

format

find

set

inline-if

in

First

Right to Left

replace

for

if

First

Three Words

isalpha

bool

False

True

split

First

Even the Last

not

range

len

for

if

First

Non-unique Elements

count

if-comprehension

list-comp

list

comprehension

First

All Upper II

isupper

bool

str

12

1

First

Inside Block

continue

min

abs

max

or

First

Ascending List

typing.Iterable

Iterable

bool

typing

False

First

Surjection Strings

get

bool

False

and

True

regex + recursion (quickie)

Unix Match. Part 1

match

re.match

find

re

replace

3

1

First

Unix Match. Part 2

startswith

find

continue

min

bool

1

First

Sort by Extension

rfind

List

typing.List

typing

sorted

2

First

Words Order

ValueError

index

bool

except

try

2

1

First

Acceptable Password IV

isdigit

or

sum

and

list-comp

1

First

Similar Triangles

pow

Tuple

typing.Tuple

List

typing.List

First

Brackets

re.sub

sub

r-string

re

max

2

First

Acceptable Password III

isdigit

sum

and

list-comp

comprehension

First

Acceptable Password II

isdigit

sum

and

list-comp

comprehension

First

Find Sequence

all

zip

False

True

list-comp

First

Verify Anagrams

dict-comp

replace

set

lower

count

First

Boolean Algebra

eval

First

Digits Multiplication

while

int

if

First

Goes Right After

find

bool

False

and

True

First

Caps Lock

upper

not

elif

False

else

First

Follow Instructions

count

7

1

First

YAML. More Types

isnumeric

strip

find

continue

None

First

Bird Language

while

in

else

len

if

1

First

Conversion into CamelCase

capitalize

join

list-comp

split

comprehension

First

YAML. Simple Dict

isnumeric

strip

find

continue

bool

First

Remove Accents

unicodedata.lookup

lookup

unicodedata.name

name

unicodedata

First

Time Converter (24h to 12h)

format

inline-if

elif

int

if

First

The Hidden Word

find

zip

enumerate

replace

max

First

Sum by Type

Tuple

typing.Tuple

isinstance

typing

sum

defaultdict

Call to Home

collections.defaultdict

defaultdict

values

collections

List

First

Pangram

issubset

ascii_lowercase

string.ascii_lowercase

string

set

2

First

Conversion from CamelCase

format

isupper

lower

inline-if

join

First

Cipher Map

append

range

for

if

First

Letter Queue

startswith

List

typing.List

typing

elif

First

Morse Clock

format

bin

replace

list-comp

split

First

Striped Words

upper

continue

replace

set

not

First

Absolute Sorting

tuple

abs

sorted

list

First

Secret Message

isupper

str

for

if

First

The Most Wanted Letter

dict-comp

items

isalpha

lower

lambda

First

Median

float

List

typing.List

sort

typing

2

1

First

Time Converter (12h to 24h)

format

find

inline-if

and

int

First

Flatten a List

type

is

append

else

int

First

Xs and Os Referee

List

typing.List

typing

count

or

First

Index Power

pow

list

int

len

if

First

Capital City

class

super

None

if

First

3 Chefs

class

super

format

First

Dialogues

class

map

None

lower

lambda

First

Every Person is Unique

class

format

replace

elif

else

First

The Defenders

class

property

super

type

decorator

First

Text Editor

class

format

None

or

inline-if

First

Army Battles

class

property

super

decorator

is

First

Multicolored Lamp

class

pass

First

Microwave Ovens

class

property

super

decorator

endswith

First

The Warriors

class

property

super

decorator

not

1

First

Friends

class

add

remove

set

in

First

Building Base

class

format

First

Best Stock

items

for

if

First

Moore Neighbourhood

pass

continue

IndexError

except

try

First

Binary Count

bin

count

int

First

Fizz Buzz

not

else

int

str

if

Second

Find Quotes

enumerate

if-comprehension

list-comp

split

comprehension

7

re.findall

Find Quotes

findall

re.findall

r-string

re

6

First

Morse Encoder

lower

join

list-comp

split

comprehension

4

1

First

Largest Rectangle in a Histogram

groupby

itertools.groupby

itertools

map

max

2

First

Reverse Roman Numerals

range

else

len

for

if

First

Roman Numerals

pop

while

elif

else

if

3

1

First

Long Repeat

max

else

for

if

First

How to Find Friends

match

re.match

r-string

get

continue

First

Feed Pigeons

max

while

if

First

The Most Numbers

sorted

len

if

First stupid

Flood Area

map

enumerate

index

min

typing.Iterable

11

First

The Fastest Horse

index

min

max

lambda

count

6

First

Transposed Matrix

List

typing.List

zip

typing

list-comp

5

1

First

Middle Characters

while

len

2

3

First

Zigzag Array

List

typing.List

not

typing

inline-if

First

When is Friday?

date

datetime.date

datetime

int

First

Long Non Repeat

set

not

range

len

for

First

Multiplication Table

bin

join

list-comp

comprehension

int

First

The Most Frequent Weekdays

calendar.day_name

day_name

calendar

date

datetime.date

5

1

First

Long Repeat Inside

startswith

while

and

range

len

First

Create Intervals

tuple

not

sorted

append

else

First

Area of a Convex Polygon

abs

sum

append

list-comp

range

First

Worth of Words

for

if

First

Numbers Factory

format

break

sorted

while

append

1

First

Simple Hashlib

getattr

hashlib

First

Three Points Circle

pow

format

round

map

break

First

Speech Module

strip

if

First

Double Substring

min

break

and

range

len

Second

Double Substring

in

range

len

for

if

First

Network Attack

update

enumerate

set

not

sum

First

Calculate Islands

List

typing.List

typing

sorted

append

First

House Password

islower

isdigit

bool

elif

False

First

The Rows of Cakes

combinations

itertools.combinations

collections.defaultdict

defaultdict

update

First

New Cities

update

remove

continue

set

not

First

City's Happiness

pow

update

items

remove

min

First

Node Disconnected Users

difference

update

items

remove

set

First

The Hamming Distance

format

bin

if-comprehension

list-comp

range

First

Restricted Sum

pop

len

if

First

Stressful Subject

re.sub

sub

endswith

r-string

isupper

First

Ghosts Age

get

None

range

len

for

1

First

Seven Segment

difference

issubset

islower

isupper

set

3

First

Probably Dice

collections.defaultdict

defaultdict

update

copy

dict-comp

1

First

The Square Chest

List

typing.List

typing

or

sorted

First

Count Consecutive Summers

format

break

print

range

for

First

Ethernet Ring Dimensioning

reversed

values

dict-comp

enumerate

break

First

Rotate Hole

break

append

range

len

for

5

First

The Stone Wall

values

dict-comp

keys

zip

enumerate

1

First

Ground for the House

rfind

find

min

break

max

First

The Ship Teams

items

or

sorted

if-comprehension

list-comp

First

Compass, Map and Spyglass

values

dict-comp

pop

min

abs