lisovsky profile - python coding challenges

First

All the Same

Any

typing.Any

List

typing.List

bool

5

1

First

Missing Number

sort

min

None

print

range

18

1

First

Changing direction

inline-if

print

range

list

int

1

First

Duplicate Zeros

extend

print

append

list

else

First

Pawn Brotherhood

chr

ord

set

or

sum

5

1

First

Split List

divmod

inline-if

list

len

First

Sort Array by Element Frequency

index

lambda

count

sorted

True

1

First

Second Index

find

None

print

int

str

1

First

Sort by Extension

rsplit

startswith

endswith

sort

lambda

2

7

1

First

Acceptable Password V

isdigit

bool

lower

or

sum

8

First

Unix Match. Part 2

escape

re.escape

re.split

match

re.match

2

First (using re)

Unix Match. Part 1

escape

re.escape

re.compile

compile

match

3

1

First

Acceptable Password VI

isdigit

bool

set

lower

or

3

1

First

Words Order

ValueError

index

bool

except

try

3

1

First

Find Sequence

List

typing.List

bool

typing

False

3

First

Brackets

pop

bool

or

print

in

5

First

Acceptable Password II

isdigit

bool

False

True

str

1

First

Acceptable Password IV

isdigit

bool

or

sum

False

1

First

Surjection Strings

get

bool

print

False

True

First

All Upper II

upper

isalpha

bool

not

or

First

Ascending List

bool

print

False

True

range

1

First

Digits Multiplication

math.prod

prod

math

print

if-comprehension

2

1

First

Boolean Algebra

bool

or

print

elif

and

1

First

Follow Instructions

Tuple

typing.Tuple

typing

elif

int

10

4

First

Nonogram Encode

zip

map

max

print

join

19

First

Convert and Aggregate

get

tuple

print

list

int

3

max max max

Latest ISO datetime

max

print

str

1

First

The Hidden Word

ljust

find

enumerate

replace

max

5

First

Conversion into CamelCase

upper

print

join

list-comp

split

6

1

First

Morse Clock

translate

format

map

inline-if

join

5

First

Bird Language

join

while

elif

append

else

First

YAML. More Types

splitlines

strip

None

replace

isdigit

1

First

Remove Accents

category

unicodedata.category

normalize

unicodedata.normalize

unicodedata

First

I Love Python!

6

1

First

The Most Wanted Letter

ascii_lowercase

string.ascii_lowercase

collections.Counter

Counter

string

5

First

YAML. Simple Dict

strip

isdigit

inline-if

split

int

First

Caps Lock

upper

enumerate

inline-if

join

list-comp

First

Secret Message

isupper

join

if-comprehension

list-comp

comprehension

4

First

Call to Home

datetime.fromisoformat

fromisoformat

rsplit

groupby

itertools.groupby

First

Sum by Type

type

is

tuple

sum

print

1

First

Goes Right After

find

bool

or

print

False

First

Pangram

ascii_lowercase

string.ascii_lowercase

string

all

lower

1

First

Conversion from CamelCase

isupper

lower

print

join

append

First

Time Converter (24h to 12h)

elif

else

int

str

if

First

Letter Queue

startswith

collections.deque

deque

pass

collections

First

Striped Words

string.whitespace

whitespace

punctuation

string.punctuation

digits

First

Cipher Map

extend

List

typing.List

sort

typing

First

Common Words

set

print

sorted

join

split

First

Absolute Sorting

sort

abs

print

list

1

First

Median of Three

iter

Iterable

typing

5

1

First

The Final Stone

bisect.insort_left

insort_left

bisect

sort

pop

9

First 6

Remove All After

index

typing.Iterable

Iterable

typing

inline-if

14

11

First

Compress List

iter

Iterable

typing

1

First

The Flat Dictionary

type

is

dict

items

while

5

First 13

Integer Palindrome

divmod

bool

print

while

False

First

Sum of Digits

map

sum

print

while

list

First 9

Multiple Lightbulbs

typing.Union

Union

Optional

typing.Optional

datetime.timedelta

First

Lightbulb Start Watching

Optional

typing.Optional

datetime.timedelta

timedelta

datetime.datetime

1

First

Chunk

typing.Iterable

Iterable

typing

print

list-comp

2

1

First 11

Frequency Sorting

List

typing.List

typing

lambda

count

3

First 8

Lightbulb End Watching

Optional

typing.Optional

datetime.timedelta

timedelta

datetime.datetime

First (Breadth First Search, BFS)

How Deep

collections.namedtuple

namedtuple

collections.deque

deque

type

First 12

Reverse Every Ascending

extend

sort

elif

append

True

First 1

Replace Last

insert

pop

typing.Iterable

Iterable

typing

1

First 4

Lightbulb Intro

datetime.timedelta

timedelta

datetime.datetime

datetime

List

1

First

Replace Last

insert

pop

typing.Iterable

Iterable

not

1

First 3

Majority

bool

count

inline-if

False

True

2

First 10

Sort Except Zero

operator.truth

truth

operator

filter

enumerate

1

First

Flatten a List

type

extend

is

while

False

1

First 7

Median

divmod

float

List

typing.List

sort

1

First 2

Index Power

inline-if

print

list

int

len

1

First

The Vampires

id

class

StopIteration

iter

First

The Warlords

id

class

super

type

filter

First

The Weapons

id

class

StopIteration

iter

First

Straight Fight

id

class

StopIteration

iter

First

Army Battles

class

StopIteration

iter

2

1

First

Army Units

ABC

abc.ABC

abc.abstractmethod

abstractmethod

abc

First

The Healers

id

class

StopIteration

iter

First

The Lancers

id

class

StopIteration

iter

First

The Defenders

id

class

StopIteration

iter

First

The Warriors

class

break

max

inline-if

while

Second

Switch Keys to Values

get

add

dict

set

print

4

8

1

First

Matrix "Hatching"

chain

itertools.chain

itertools

zip

typing.Iterable

12

First

Replace with Biggest

typing.Iterable

Iterable

max

typing

inline-if

14

1

First

Fibonacci Poem

extend

print

join

while

append

16

2

First

Aggregate by Operation

get

dict

tuple

continue

inline-if

Second

Replace with Biggest

typing.Iterable

Iterable

max

typing

inline-if

First

Long Pressed

groupby

itertools.groupby

any

itertools

bool

First

Cut Sentence

rfind

inline-if

print

int

str

5

1

First

Adjacent Letters

collections.deque

deque

collections

print

join

First

Switch Keys to Values

get

dict

items

set

print

First

Escape

List

typing.List

abs

bool

typing

First

What Is Wrong With This Family?

bool

set

or

print

in

2

1

First

Bigger Together

itertools.permutations

permutations

itertools

List

typing.List

First

Can Balance

zip

typing.Iterable

Iterable

typing

sum

First (re.sub)

Currency Style

translate

re.sub

sub

r-string

re

First

Caesar Cipher (decryptor)

ascii_lowercase

string.ascii_lowercase

string

find

join

Second

Cut Sentence

rfind

rstrip

inline-if

print

int

1

First

Achilles and the Tortoise

round

1

First

The Greatest Common Divisor

iter

int

for

1

First

Caesar Cipher (encryptor)

string.find

isspace

ascii_letters

string.ascii_letters

as

First

Binary Count

bin

count

int

1

First

Best Stock

float

dict

sort

lambda

print

First

Moore Neighbourhood

inline-if

sum

and

len

Second

One Switch Strings

break

bool

inline-if

print

elif

1

2

First

Not in Order

zip

sum

print

sorted

list

4

10

2

First

Reveal the Number

float

None

isdigit

not

inline-if

11

3

First

Correct Capital

capitalize

upper

bool

lower

inline-if

15

4

1

First

Is String a Number? (Part II)

all

map

isdigit

bool

not

Second (clear)

Correct Capital

capitalize

upper

bool

lower

or

2

1

First

One Switch Strings

break

bool

inline-if

print

elif

First

Is String a Number?

isdigit

lambda

print

False

True

First

Interesting, intersecting

tuple

bool

not

or

print

First

Move Zeros

extend

filter

lambda

print

list

First

When "k" is Enough!

get

typing.Iterable

Iterable

typing

print

First (with zip)

Find Quotes

ValueError

zip

index

except

try

4

First

Identify Block

map

min

None

set

lambda

First

The Most Numbers

min

max

5

First

Counting Tiles

itertools.product

product

itertools

elif

list-comp

First (using RE)

Long Repeat

re.compile

compile

r-string

map

re

2

Second (simple)

Find Quotes

ValueError

index

except

try

not

First

Morse Encoder

map

lower

lambda

print

join

First (using re)

Reverse Roman Numerals

re.compile

compile

match

re.match

re

First

Roman Numerals

OrderedDict

collections.OrderedDict

collections

join

3

2

First

Monkey Typing

set-comp

set

lower

if-comprehension

in

Second

Zigzag Array

insert

not

print

False

append

8

1

First (breadth-first-search)

Tree Walker

collections.deque

deque

type

is

values

18

3

1

First

Middle Characters

divmod

inline-if

print

str

len

4

First

Multiplication Table

and_

operator.and_

operator.xor

xor

operator.or_

3

First (using regex and function sub)

Flood Area

re.compile

compile

r-string

sort

re

First

When is Friday?

datetime.strptime

strptime

datetime.timedelta

timedelta

datetime.datetime

1

2

First

Zigzag Array

insert

not

print

append

True

First (without recursion)

Digits Doublets

collections.deque

deque

collections.defaultdict

defaultdict

insert

First

Painting Wall

bisect.bisect_left

bisect_left

bisect

iter

First

Barcode Reader

KeyError

tuple

zip

map

None

First

Merge Intervals

copy

float

max

or

append

1

First

Expand Intervals

extend

typing.Iterable

Iterable

typing

range

2

First

The Cheapest Flight

copy

remove

List

typing.List

continue

First (math.gcd)

Evenly Spaced Trees

itertools.pairwise

pairwise

math.gcd

gcd

itertools

First (using RE)

Cookies

escape

re.escape

re.compile

compile

re

First

The End of Other

endswith

False

and

True

for

2

First

The Highest Building

zip

map

index

max

sum

First

The Most Frequent Weekdays

date

datetime.date

datetime

inline-if

list-comp

First (using re)

Calculator-I

re.compile

compile

findall

re.findall

re

4

7

1

First (heapq)

Huffman Encode

collections.namedtuple

namedtuple

heappush

heapq.heappush

heappop

9

2

1

First (using zip and reversed)

Common Tail

reversed

zip

None

break

print

17

3

1

First

Atbash Cipher

translate

ascii_uppercase

string.ascii_uppercase

ascii_lowercase

string.ascii_lowercase

2

First

Sort Sorted Groups

chain

itertools.chain

iter

First (using textwrap.wrap)

Text Formatting

AssertionError

textwrap.wrap

wrap

textwrap

case

1

First

The Best Number Ever

sum

range

2

1

First

Three Points Circle

collections.namedtuple

namedtuple

eval

rstrip

f-string

First

Sum Consecutives

groupby

itertools.groupby

itertools

sum

list-comp

First

Calculate Islands

collections.deque

deque

collections

remove

List

First

Golden Pyramid

max

list-comp

range

list

comprehension

First

Simple Areas

math.pi

pi

round

math

sum

First

Digit Stack

startswith

pop

elif

append

int

First

House Password

islower

any

isupper

isdigit

bool

First

List Beautify

rjust

zip

map

max

lambda

12

First

Non Empty Lines

splitlines

yield

strip

print

list

First

Next Birthday

bisect.bisect_left

bisect_left

calendar.isleap

isleap

bisect

First

Square Board

Tuple

typing.Tuple

typing

range

int

First

Weekly Calendar

datetime.timedelta

timedelta

insert

date

datetime.date

First

The First Working Day

datetime.fromisoformat

fromisoformat

datetime.timedelta

timedelta

date

5

1

First

Fibonacci Spiral's End

break

print

while

True

list

11

4

2

First

CheckSum

ascii_letters

string.ascii_letters

digits

string.digits

divmod

18

4

1

First

Web Log Sessions

splitlines

datetime.strptime

strptime

datetime.timedelta

timedelta

First

Aggregate and Count

get

dict

print

list

for

First

Length of the String

print

len