tokiojapan55 profile - python coding challenges

First

Acceptable Password I

bool

str

len

9

21

First

Number Length

int

str

len

15

13

First

Count Digits

isdigit

if-comprehension

list-comp

comprehension

int

17

11

First

Sum Numbers

isdigit

sum

if-comprehension

list-comp

split

20

12

First

First Word (simplified)

split

str

11

First

Easy Unpack

tuple

16

First

Nearest Value

abs

set

lambda

sorted

list-comp

7

First

Remove All Before

index

typing.Iterable

Iterable

not

typing

6

First

Max Digit

max

list

int

str

7

First

Correct Sentence

upper

str

if

7

First

All Upper I

upper

bool

str

5

First

Multiply (Intro)

6

First

Beginning Zeros

lstrip

int

str

len

4

1

First

The Most Frequent

collections.defaultdict

defaultdict

items

collections

lambda

3

1

First

Split Pairs

zip

list-comp

comprehension

3

1

First

Replace First

typing.Iterable

Iterable

typing

list

3

1

First

Is Even

bool

inline-if

False

True

int

2

First

End Zeros

re.search

search

r-string

re

int

2

1

First

Between Markers (simplified)

find

str

2

1

First

Backward String

join

str

1

First

All the Same

Any

typing.Any

List

typing.List

bool

1

First

Sun Angle

float

or

if

12

14

First

Missing Number

pop

min

set

max

range

First

Changing direction

elif

range

list

int

len

1

First

Duplicate Zeros

eval

inline-if

join

list-comp

list

First

Morse Decoder

upper

join

append

list-comp

split

7

1

First

Split List

list

len

6

1

First

Sort Array by Element Frequency

dict-comp

lambda

count

sorted

True

8

First

Popular Words

dict-comp

dict

lower

in

split

6

1

First

Between Markers

find

else

str

len

if

7

First

Days Between

date

datetime.date

datetime

abs

16

First

Right to Left

replace

join

13

First

Even the Last

len

for

if

10

1

First

Backward Each Word

join

else

str

for

if

2

1

First

Pawn Brotherhood

chr

find

ord

continue

set

5

First

First Word

re.search

search

re

break

elif

3

1

First

Non-unique Elements

count

if-comprehension

list-comp

list

comprehension

7

1

First

Bigger Price

min

None

lambda

or

sorted

2

1

First

Date and Time Converter

print

else

int

str

if

First

Three Words

isalpha

bool

False

True

split

2

First

Second Index

find

None

int

str

if

1

First

Cipher Dict (decryption)

hex

chr

pop

not

sorted

4

Third

Cipher Dict

hex

dict

ord

zip

pop

9

First

Blood distribution

dict-comp

min

comprehension

10

First

Acceptable Password V

find

isdigit

bool

lower

or

11

10

First

Acceptable Password II

isdigit

bool

if-comprehension

and

list-comp

19

9

First

Boolean Algebra

20

23

First

Words Order

index

bool

set

sorted

if-comprehension

20

9

1

First

Acceptable Password IV

isdigit

bool

or

if-comprehension

False

20

7

1

First

Mathematically Lucky Tickets

Fraction

fractions.Fraction

fractions

add

tuple

1

First

Inside Block

Tuple

typing.Tuple

zip

enumerate

bool

2

First

Similar Triangles

combinations

itertools.combinations

Tuple

typing.Tuple

math.sqrt

8

1

First

Acceptable Password III

isalpha

isdigit

bool

if-comprehension

and

6

1

First

Find Sequence

False

True

list-comp

range

comprehension

8

1

First

Surjection Strings

zip

bool

set

list-comp

list

5

First

Unix Match. Part 2

Exception

raise

find

bool

or

First

Unix Match. Part 1

find

continue

pop

bool

while

1

First

Digits Multiplication

if-comprehension

list-comp

list

comprehension

int

14

First

Brackets

pop

index

not

or

in

7

2

First

All Upper II

strip

upper

isupper

bool

inline-if

2

First

Verify Anagrams

remove

isalpha

lower

count

if-comprehension

6

First

Sort by Extension

find

List

typing.List

typing

lambda

1

First

Ascending List

typing.Iterable

Iterable

bool

typing

if-comprehension

2

First

Can You Pass?

elif

and

append

range

len

1

First

Acceptable Password VI

find

isdigit

bool

set

lower

1

Second

Digits Multiplication

functools.reduce

reduce

functools

replace

lambda

First

Goes Right After

index

bool

except

try

False

3

34

4

First

Beat The Previous

pop

while

append

list

int

4

5

First

Water Sort Game

all

pop

set

max

not

5

First

Longest Substring of Unique Characters

set

max

inline-if

if-comprehension

list-comp

6

2

First

Count Substring Occurrences

find

lower

while

int

str

7

3

First

Combining Celebrity Names

rfind

findall

re.findall

find

re

8

1

First

Follow Instructions

count

10

19

First

Convert To Title Case

title

str

12

3

First

Nonogram Encode

zip

max

lambda

join

if-comprehension

12

First

Replace All Occurrences

replace

str

15

1

First

Count Vowels

findall

re.findall

r-string

re

lower

1

First

Call to Home

setdefault

math.ceil

ceil

dict

math

6

1

First

Morse Clock

strip

bin

lambda

inline-if

join

9

2

First

Latest ISO datetime

max

str

2

First

Fuzzy String Matching

itertools.zip_longest

zip_longest

itertools

bool

sum

First

YAML. More Types

splitlines

strip

dict

find

None

5

First

Pangram

isalpha

set

lower

if-comprehension

list-comp

17

1

First

Convert and Aggregate

dict-comp

get

dict

tuple

if-comprehension

First

YAML. Simple Dict

strip

dict-comp

isdigit

inline-if

if-comprehension

3

First

Conversion from CamelCase

islower

enumerate

lower

or

inline-if

6

First

The Most Wanted Letter

re.search

search

chr

ord

re

10

First

Time Converter (24h to 12h)

else

int

str

if

7

1

First

Common Words

set

sorted

join

if-comprehension

list-comp

7

First

Caps Lock

upper

not

elif

False

else

1

First

Striped Words

isalnum

upper

not

count

or

4

First

Cipher Map

numpy.rot90

rot90

numpy.array

array

numpy

First

Remove Accents

category

unicodedata.category

normalize

unicodedata.normalize

unicodedata

1

First

Bird Language

translate

upper

find

break

replace

5

1

First

Sum by Type

Tuple

typing.Tuple

type

is

typing

1

First

The Hidden Word

enumerate

index

replace

max

lower

1

First

Conversion into CamelCase

upper

zip

inline-if

join

if-comprehension

First

Letter Queue

elif

for

if

First

Secret Message

isupper

join

if-comprehension

list-comp

list

2

First

I Love Python!

1

First

Absolute Sorting

dict-comp

items

tuple

abs

lambda

1

First

Flip of Time

bin

tuple

enumerate

min

None

3

First

Archipelago

Ellipsis

add

tuple

remove

enumerate

3

First

Reverse Every Ascending

extend

sorted

True

range

list

4

19

1

First

Exploring Wythoff Array

math.floor

floor

tuple

math

inline-if

5

1

First

Knapsack Problem

tuple

pop

max

count

or

7

First

Ordinary Cardinals

cmp_to_key

functools.cmp_to_key

functools

lambda

count

9

1

First

The Hollow Diamond

chr

ord

abs

bool

not

9

Second

Grid Painting

issubset

set-comp

chr

all

ord

9

First

String-2-Matrix

chr

upper

tuple

ord

lambda

10

First

Matrix-2-String

chr

upper

tuple

ord

lambda

10

First

Compress List

zip

typing.Iterable

Iterable

typing

if-comprehension

12

First

Chunk

typing.Iterable

Iterable

typing

while

append

12

8

1

First

Lightbulb Operating

typing.Union

Union

Optional

typing.Optional

datetime.timedelta

12

4

First

The Flat Dictionary

update

type

is

keys

dict

14

9

First

Multiple Lightbulbs

typing.Union

Union

Optional

typing.Optional

isinstance

16

2

1

First

Loading Cargo

functools.reduce

reduce

functools

min

abs

17

8

1

First

Lightbulb More

typing.Union

Union

Optional

typing.Optional

datetime.timedelta

18

First

Sum of Digits

sum

while

list-comp

list

comprehension

3

1

First

Flatten a List (generator version)

type

yield

is

else

int

First

Flatten a List (iterator version)

class

StopIteration

raise

type

yield

First

The Final Stone

pop

abs

sum

sorted

while

1

First

Integer Palindrome

bool

or

while

False

True

First

Majority

bool

count

False

True

list

8

Second

Lightbulb End Watching

Optional

typing.Optional

insert

datetime.datetime

datetime

1

First

Replace Last

typing.Iterable

Iterable

typing

list

6

1

First

Time Converter (12h to 24h)

match

re.match

format

re

None

5

1

First

Cipher Crossword

dict

tuple

zip

pop

None

First

Sort Except Zero

enumerate

pop

typing.Iterable

Iterable

typing

4

1

First

Determine the Order

update

add

break

set

lambda

2

First

Flatten a List

type

is

append

list

else

9

First

How Deep

type

is

tuple

max

for

2

Second

Lightbulb Start Watching

Optional

typing.Optional

insert

datetime.datetime

datetime

First

Count Inversions

sum

if-comprehension

list-comp

range

comprehension

3

1

First

Median of Three

typing.Iterable

Iterable

typing

sorted

append

1

First

Xs and Os Referee

setdefault

dict

List

typing.List

typing

7

Second

Lightbulb Intro

datetime.datetime

datetime

List

typing.List

typing

First

Index Power

inline-if

list

int

len

9

First

Frequency Sorting

extend

dict-comp

set

lambda

sorted

First

Remove All After

yield

typing.Iterable

break

Iterable

typing

First

Median

float

List

typing.List

typing

sorted

2

First

The Warlords

class

super

decorator

2

10

First

Party Invitations

class

enumerate

break

append

for

7

1

First

Army Units

class

raise

format

9

11

2

First

The Warriors

class

property

super

decorator

not

12

20

First

Army Battles

class

super

decorator

13

First

Hacker Language

issuperset

class

chr

bin

ord

13

5

1

First

Microwave Ovens

class

pass

format

min

max

15

5

First

The Weapons

class

super

decorator

17

2

First

The Healers

class

super

decorator

4

First

Every Person is Unique

class

f-string

datetime.datetime

format

datetime

5

1

First

Voice TV Control

class

type

is

inline-if

in

4

1

First

Geometry Figures

class

rstrip

math.pi

pi

float

3

First

3 Chefs

class

f-string

5

1

First

The Lancers

class

super

decorator

2

First

Building Base

class

r-string

format

5

1

First

Friends

class

type

is

add

tuple

4

1

First

Multicolored Lamp

class

5

First

Straight Fight

class

super

decorator

First

The Defenders

class

setdefault

super

2

1

First

The Vampires

class

super

decorator

1

First

Capital City

classmethod

class

super

decorator

None

First

Dialogues

class

itertools.zip_longest

zip_longest

itertools

None

First

Text Editor

class

append

First

The Cookie Monster

pop

set

max

inline-if

sorted

1

5

1

First

Escape

min

abs

or

inline-if

False

3

10

First

Staircase

pop

break

max

while

append

3

First

Integer Sign Determination

lambda

int

str

5

7

1

First

Count Divisibles in Range

abs

int

5

2

First

"Lunar" Multiply

enumerate

min

max

lambda

sum

5

First

Overlapping Disks

combinations

itertools.combinations

set-comp

itertools

tuple

5

First

Color Map

numpy.max

itertools.product

product

numpy

as

5

First

Replace with Biggest

typing.Iterable

Iterable

max

typing

append

7

3

1

First

Checking Perfect Power

round

bool

while

False

True

7

First

Fast Train

List

typing.List

zip

pop

abs

8

5

First

Find Remainder

int

8

4

1

First

Postfix Evaluation

floordiv

operator.floordiv

operator.sub

operator.add

mul

8

First

Collatz Ztalloc

Exception

raise

type

is

dict

8

First

Can Balance

enumerate

typing.Iterable

Iterable

typing

sum

9

12

First

Rectangle Perimeter

int

10

5

First

Ulam-Warburton Automaton Hex

yield

in

append

range

int

10

3

1

First

Chess Knight

chr

add

ord

set

lambda

11

6

First

Aggregate by Operation

eval

dict-comp

pass

get

dict

12

3

First

Fibonacci Poem

yield

strip

pop

replace

not

12

3

First

Determinant

mul

operator.mul

itertools.permutations

permutations

operator

14

5

1

First

Cut Into Squares

functools.lru_cache

lru_cache

decorator

functools

min

14

First

Longest Common Prefix

zip

break

set

list

str

14

First

Ulam–Warburton Automaton

yield

in

append

range

int

15

First

Toothpicks

remove

pop

while

in

append

15

First

What Is Wrong With This Family?

class

None

not

or

while

17

8

1

First

Count Morse

remove

pop

while

and

append

17

1

First

Long Pressed

bool

or

elif

False

and

17

1

First

Matrix "Hatching"

min

typing.Iterable

Iterable

typing

list-comp

17

Second

Switch Keys to Values

values

dict-comp

dict

set

if-comprehension

19

2

1

First

Adjacent Letters

yield

join

while

True

else

19

1

First

Chemical Analysis

match

re.match

extend

index

re

First

Number With Exclamation

math.factorial

factorial

math

int

1

First

Caesar Cipher (decryptor)

strip

chr

islower

ord

elif

2

First

Domino Chain

enumerate

pop

not

while

if-comprehension

First

The Greatest Common Divisor

sorted

while

True

len

5

1

First

Find Enemy

chr

ord

index

or

and

First

The Einstein Problem-Lite

Exception

raise

combinations

itertools.combinations

intersection

First

Cut Sentence

find

inline-if

while

len

if

3

First

Achilles and the Tortoise

4

First

Bigger Together

itertools.permutations

permutations

dict

itertools

sorted

First

Currency Style

re.search

search

r-string

re

replace

First

Fizz Buzz

elif

and

else

int

str

11

1

First

Disposable Teleports

functools.reduce

reduce

functools

tuple

enumerate

First

Binary Count

bin

sum

list-comp

comprehension

int

6

2

First

Moore Neighbourhood

sum

append

list-comp

range

list

4

First

Best Stock

items

lambda

sorted

True

2

1

First

Caesar Cipher (encryptor)

chr

ord

isalpha

list

else

First

Colorful Disks

Ellipsis

tuple

max

sum

range

3

First

Close Enough

tuple

min

abs

while

list

4

First

Cleaning Robot

dict-comp

float

ord

lambda

inline-if

5

First

Move Zeros

count

if-comprehension

list-comp

list

comprehension

6

8

Third

The Centrifuge Problem

isdisjoint

set-comp

yield

zip

pop

7

2

First

Write Quadratic Equation

format

abs

or

inline-if

False

9

4

First

Identify Block

min

None

if-comprehension

in

list-comp

12

5

1

First

Feed Pigeons

None

max

while

True

if

13

16

1

First

Reveal the Number

isdecimal

float

None

except

try

15

1

First

Quadratic Equation Roots

collections.abc.Iterable

collections

Iterable

inline-if

list-comp

16

First

Interesting, intersecting

tuple

bool

lambda

and

int

17

1

First

Count And Say

join

and

append

list

comprehension

18

First

Leap Year Checking

bool

or

and

int

1

First

Is String a Number? (Part II)

match

re.match

r-string

re

None

1

First

Not in Order

zip

sorted

if-comprehension

list-comp

list

First

Counting Tiles

math.ceil

ceil

math

elif

list-comp

6

1

First

Is String a Number?

match

re.match

r-string

re

None

First

Perfect Number Checking

bool

sum

if-comprehension

list-comp

range

First

When "k" is Enough!

enumerate

typing.Iterable

Iterable

typing

count

First

Count Chains

combinations

itertools.combinations

update

Tuple

typing.Tuple

2

First

Long Repeat

while

and

int

str

len

10

First

Correct Capital

islower

isupper

bool

or

str

1

First

One Switch Strings

zip

bool

inline-if

if-comprehension

False

First

Oil Pie

Fraction

fractions.Fraction

fractions

map

abs

1

First

How to Find Friends

pop

while

False

and

append

7

First

Reverse Roman Numerals

break

replace

len

for

if

4

First

Morse Encoder

isalnum

lower

list

else

len

4

First

Making Change

yield

zip

None

break

sum

First

Roman Numerals

replace

range

for

15

First

Find Quotes

find

break

while

append

if

1

First

Monkey Typing

find

set

lower

if-comprehension

list-comp

4

First

Clock Angle

round

abs

inline-if

int

1

First

The Most Numbers

min

abs

max

inline-if

len

4

1

First

Largest Rectangle in a Histogram

break

elif

range

else

len

1

Second

Largest Rectangle in a Histogram

min

max

range

len

for

fixed labels

R-mahjong Ⅰ: break hand into sets

issubset

remove

pop

set

lambda

1

6

Second

R-mahjong ⅠⅠ: is hand winning?

issubset

values

all

get

dict

1

First

R-mahjong Ⅰ: break hand into sets

issubset

remove

pop

set

lambda

3

4

3

First

YAML. Complex Structure

splitlines

update

extend

strip

dict

4

1

First

Bishop vs Aliens

tuple

break

bool

or

inline-if

6

First

Bridge Routine

tuple

index

inline-if

sum

join

7

First

Peaceable Queens

functools.lru_cache

lru_cache

decorator

extend

functools

7

First

Count Domino Tilings

numpy.linalg

linalg

numpy.array

array

numpy

7

First

YAML. List and Comments

splitlines

strip

dict

find

None

8

3

First

Transposed Matrix

List

typing.List

typing

list-comp

range

10

11

1

First

Digits Doublets

zip

enumerate

lambda

or

if-comprehension

10

6

1

First

When is Friday?

datetime.datetime

datetime

14

13

1

First

15-puzzle Solvability

bool

sum

in

and

range

First

Zigzag Array

List

typing.List

typing

inline-if

list-comp

5

1

First

Swap Nodes

chain

itertools.chain

itertools

zip

inline-if

8

1

First

Middle Characters

len

5

1

First

Flood Area

all

min

typing.Iterable

break

Iterable

First

Tree Walker

hasattr

type

is

dict

items

1

First

IP Network: Route Summarization

functools.reduce

reduce

functools

enumerate

break

1

First

Long Non Repeat

set

range

list

len

for

4

First

The Fastest Horse

dict-comp

enumerate

lambda

sorted

list-comp

3

First

The Shortest Knight's Path

chr

ord

pop

lambda

while

First

Multiplication Table

bin

range

list

int

len

1

2

First

Power Plants

math.inf

inf

Dict

typing.Dict

typing.Set

8

3

2

First

Exploring Calkin-Wilf Tree

tuple

pop

inline-if

while

append

8

First

Long Repeat Inside

while

range

len

for

if

11

8

First

Merge Intervals

pop

not

inline-if

while

elif

12

8

1

First

Broken Clock

format

find

lambda

inline-if

split

15

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and

First

Treasures

keys

tuple

zip

if-comprehension

append

First

Keys and Locks

splitlines

find

zip

or

if-comprehension

First

The Secret Room

strip

index

sorted

elif

list-comp

1

First

Wild Dogs

combinations

itertools.combinations

itertools

round

min

First

The Stone Wall

splitlines

index

min

inline-if

if-comprehension

First

Compass, Map and Spyglass

find

pop

None

sum

while

First

Most Wanted Letter

isalpha

set

max

lower

lambda

2

First

Aggregate and Count

get

dict

list

for

1

First

Length of the String

int

str

len