mortonfox profile - python coding challenges

First

Nearest Value

min

abs

set

lambda

int

1

317

37

First

Acceptable Password I

bool

str

len

1

206

19

Second

Count Digits

isdigit

sum

comprehension

int

str

1

172

12

First

Beginning Zeros

re.sub

sub

r-string

re

int

20

12

First

Correct Sentence

upper

str

if

10

First

Split Pairs

itertools.zip_longest

zip_longest

iter

itertools

join

5

1

First

The Most Frequent

set

max

count

4

First

End Zeros

re.sub

sub

r-string

re

int

4

First

Sum Numbers

except

try

sum

split

comprehension

3

1

First

Number Length

int

str

len

2

First

All Upper I

upper

bool

str

2

First

Multiply (Intro)

2

First

Remove All Before

index

typing.Iterable

Iterable

except

try

1

First

Backward String

str

1

First

Between Markers (simplified)

find

str

1

First

Count Digits

re.sub

sub

r-string

re

int

First

Is Even

bool

int

1

First

Replace First

list

First

Max Digit

max

int

str

Second

Sum Numbers

findall

re.findall

r-string

re

sum

1

First

Easy Unpack

tuple

comprehension

First

First Word (simplified)

split

str

First

All the Same

Any

typing.Any

all

List

typing.List

First

Split List

list

len

1

77

4

First

Changing direction

zip

print

list

int

for

1

35

4

First

Missing Number

zip

min

print

sorted

list

First

Popular Words

re.I

I

findall

re.findall

dict

8

First

Duplicate Zeros

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools

First

Morse Decoder

capitalize

lambda

join

split

comprehension

5

1

First

Sort Array by Element Frequency

collections.Counter

Counter

collections

index

lambda

5

1

First

Bigger Price

itemgetter

operator.itemgetter

operator

sorted

True

3

First

First Word

re.search

search

r-string

re

inline-if

2

1

First

Date and Time Converter

datetime.strptime

strptime

datetime.datetime

datetime

lambda

First

Backward Each Word

re.sub

sub

r-string

re

lambda

First

Second Index

find

None

inline-if

str

if

1

First

Between Markers

find

elif

else

str

len

First

Sun Angle

round

or

inline-if

list-comp

split

First

Three Words

isalpha

False

True

split

else

1

First

Days Between

date

datetime.date

datetime

abs

First

Pawn Brotherhood

chr

ord

continue

in

int

First

Non-unique Elements

count

if-comprehension

list-comp

comprehension

1

First

Right to Left

replace

join

First

Even the Last

range

len

for

if

First

Cipher Dict (decryption)

pop

not

sorted

while

append

3

First

Blood distribution

min

for

5

First

Cipher Dict

pop

not

or

False

and

5

Second

Inside Block

math.hypot

hypot

math.acos

acos

math.pi

13

4

1

First

Remove Brackets

break

lambda

join

while

if-comprehension

14

5

First

Mathematically Lucky Tickets

Fraction

fractions.Fraction

fractions

union

add

15

4

First

Acceptable Password VI

all

any

isdigit

bool

set

5

First

Acceptable Password V

all

any

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bool

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5

First

Acceptable Password III

all

any

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bool

not

4

First

Surjection Strings

zip

bool

set

list-comp

comprehension

4

First

Unix Match. Part 2

match

re.match

find

enumerate

re

First

Can You Pass?

not

False

and

True

list-comp

First

Sort by Extension

fullmatch

re.fullmatch

r-string

List

typing.List

2

First

Find Sequence

re.search

search

r-string

map

re

3

First

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all

zip

typing.Iterable

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bool

3

1

First

Acceptable Password II

any

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bool

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comprehension

2

First

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match

re.match

re

bool

in

First

Acceptable Password IV

all

any

isdigit

bool

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1

First

Similar Triangles

math.isclose

isclose

math.hypot

hypot

Tuple

First

All Upper II

isupper

bool

str

1

First

Words Order

ValueError

index

bool

except

try

First

Verify Anagrams

re.sub

sub

r-string

re

lower

2

First

Digits Multiplication

list

int

str

for

if

1

First

Brackets

pop

not

or

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False

First

Boolean Algebra

lambda

inline-if

First

Nonogram Encode

findall

re.findall

r-string

zip

map

3

4

First

Longest Substring of Unique Characters

add

break

set

max

print

4

3

First

Replace All Occurrences

re.sub

sub

re

print

str

5

First

Caps Lock

upper

not

inline-if

False

else

6

15

First

Convert To Title Case

title

print

str

6

1

First

Beat The Previous

break

not

print

while

False

14

1

First

Combining Celebrity Names

finditer

re.finditer

match

re.match

r-string

16

First

Count Substring Occurrences

find

break

lower

print

while

16

First

Fuzzy String Matching

bool

max

or

print

False

18

First

Goes Right After

ValueError

index

bool

except

try

9

First

YAML. More Types

ast.literal_eval

literal_eval

ast

fullmatch

re.fullmatch

6

1

First

Latest ISO datetime

datetime.fromisoformat

fromisoformat

datetime.datetime

datetime

inline-if

1

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Latest ISO datetime

max

print

1

First

Convert and Aggregate

collections.defaultdict

defaultdict

dict-comp

dict

items

1

First

Count Vowels

re.I

I

re.sub

sub

r-string

First

YAML. Simple Dict

splitlines

re.split

ValueError

r-string

re

First

Conversion into CamelCase

capitalize

lambda

join

split

comprehension

4

First

Follow Instructions

lambda

sum

comprehension

4

First

Remove Accents

category

unicodedata.category

normalize

unicodedata.normalize

unicodedata

1

First

Striped Words

findall

re.findall

re.search

search

r-string

3

First

Letter Queue

startswith

elif

for

if

1

First

The Hidden Word

splitlines

find

continue

enumerate

break

First

Sum by Type

Tuple

typing.Tuple

except

try

typing

First

Call to Home

groupby

itertools.groupby

math.ceil

ceil

itertools

First

Conversion from CamelCase

findall

re.findall

re

lower

lambda

First

Time Converter (24h to 12h)

map

split

int

if

1

First

Morse Clock

bin

map

replace

lambda

split

First

Bird Language

re.sub

sub

r-string

re

2

1

First

The Most Wanted Letter

ascii_lowercase

string.ascii_lowercase

collections.Counter

Counter

string

3

First

Cipher Map

append

range

len

for

if

1

First

Pangram

ascii_lowercase

string.ascii_lowercase

string

all

lower

1

First

Secret Message

re.sub

sub

r-string

re

1

First

Common Words

lambda

sorted

join

if-comprehension

in

First

Absolute Sorting

abs

sorted

First

Flatten a List (iterator version)

TypeError

yield

except

try

for

3

4

First

Grid Painting

issubset

union

combinations

itertools.combinations

collections.defaultdict

4

First

Lightbulb Intro

datetime.timedelta

timedelta

datetime.datetime

datetime

List

5

15

1

First

Integer Palindrome

divmod

insert

bool

print

while

6

1

First

Lightbulb Operating

from_iterable

itertools.from_iterable

typing.Union

Union

Optional

6

5

First

The Final Stone

heapify

heapq.heapify

heappush

heapq.heappush

heappop

7

1

First

Knapsack Problem

float

min

max

print

range

8

First

Exploring Wythoff Array

tuple

print

while

append

range

8

Second

Flatten a List (generator version)

TypeError

yield

except

try

for

10

1

First

String-2-Matrix

divmod

tuple

ord

map

isupper

12

First

Determine the Order

keys

add

zip

continue

break

13

10

1

First

Ordinary Cardinals

cmp_to_key

functools.cmp_to_key

functools

count

print

13

First

Lightbulb More

slice

from_iterable

itertools.from_iterable

typing.Union

Union

13

First

Matrix-2-String

chr

upper

tuple

enumerate

inline-if

13

First

The Hollow Diamond

rstrip

yield

ascii_lowercase

string.ascii_lowercase

string

17

First

Reverse Every Ascending

class

from_iterable

itertools.from_iterable

groupby

itertools.groupby

6

First

Multiple Lightbulbs

typing.Union

Union

Optional

typing.Optional

datetime.timedelta

First

Sum of Digits

or

inline-if

print

int

1

First

Frequency Sorting

itemgetter

operator.itemgetter

operator

collections.Counter

Counter

7

First

Chunk

typing.Iterable

Iterable

typing

list-comp

range

4

First

Loading Cargo

combinations

itertools.combinations

itertools

min

abs

3

First

Lightbulb End Watching

Optional

typing.Optional

datetime.timedelta

timedelta

is

First

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isinstance

dict

items

pop

join

1

First

Time Converter (12h to 24h)

map

split

int

if

3

1

First

Lightbulb Start Watching

Optional

typing.Optional

datetime.timedelta

timedelta

is

First

How Deep

type

is

tuple

max

inline-if

First

Median of Three

zip

typing.Iterable

Iterable

typing

sorted

First

Xs and Os Referee

or

join

range

comprehension

for

6

First

Compress List

functools.reduce

reduce

functools

typing.Iterable

Iterable

First

Replace Last

typing.Iterable

Iterable

typing

list

1

First

Count Inversions

sum

range

comprehension

int

len

1

First

Remove All After

index

typing.Iterable

Iterable

except

try

First

Sort Except Zero

insert

enumerate

typing.Iterable

Iterable

typing

First

Majority

bool

sum

list

len

First

Flatten a List

from_iterable

itertools.from_iterable

chain

itertools.chain

isinstance

First

Median

sorted

else

len

if

1

First

Index Power

len

if

First

The Lancers

class

property

super

decorator

get

2

19

1

First

The Warlords

setattr

class

getattr

property

super

6

2

First

Dialogues

class

pass

lower

lambda

inline-if

11

10

First

Text Editor

class

is

None

inline-if

append

14

6

First

Army Units

class

super

pass

19

4

1

First

Straight Fight

class

property

super

decorator

get

19

1

First

Capital City

class

None

not

if

20

4

Second

Geometry Figures

class

math.pi

pi

math.sqrt

sqrt

3

First

The Healers

class

property

super

decorator

get

3

First

3 Chefs

class

pass

4

First

Hacker Language

class

chr

bin

ord

continue

1

First

The Defenders

class

property

super

decorator

pop

2

1

First

Microwave Ovens

class

super

pass

min

max

1

First

The Vampires

class

property

super

decorator

pop

1

First

Party Invitations

class

is

remove

None

inline-if

First

Army Battles

class

property

super

decorator

pop

2

1

First

Every Person is Unique

class

reversed

insert

date

datetime.date

First

Voice TV Control

class

not

or

First

The Warriors

class

property

super

decorator

not

4

1

First

Multicolored Lamp

class

super

2

1

First

Friends

class

remove

set

in

False

First

Building Base

class

Second

Currency Style

translate

re.sub

sub

r-string

re

2

20

2

First

Find Remainder

operator.mod

mod

operator

as

print

3

6

First

Rectangle Perimeter

print

int

4

7

1

First

Checking Perfect Power

any

round

bool

print

False

4

1

First

The Cookie Monster

continue

pop

set

not

inline-if

5

First

Ulam–Warburton Automaton

bin

map

count

inline-if

sum

6

First

Longest Common Prefix

functools.reduce

reduce

functools

min

print

6

First

Integer Sign Determination

inline-if

print

int

str

7

6

First

Number With Exclamation

math.factorial

factorial

math

print

7

3

First

Toothpicks

inline-if

print

while

int

7

3

First

Staircase

combinations

itertools.combinations

itertools

break

max

7

First

Overlapping Disks

combinations

itertools.combinations

add

itertools

tuple

7

First

Chess Knight

chr

ord

set

lambda

inline-if

9

6

1

First

Count Morse

functools.lru_cache

lru_cache

difference

frozenset

startswith

9

4

First

Chemical Analysis

class

digits

string.digits

ascii_uppercase

string.ascii_uppercase

9

First

Collatz Ztalloc

isinstance

None

print

while

elif

10

First

Cut Into Squares

functools.lru_cache

lru_cache

decorator

functools

min

11

First

"Lunar" Multiply

add

min

max

or

print

12

First

Escape

None

or

while

False

and

13

1

First

Switch Keys to Values

collections.defaultdict

defaultdict

add

dict

items

14

3

First

Determinant

lambda

inline-if

sum

list-comp

range

15

4

2

First

Count Divisibles in Range

inline-if

print

int

15

First

Postfix Evaluation

case

match-case

typing.Union

Union

isinstance

15

First

Domino Chain

enumerate

not

or

and

list-comp

17

3

2

First

Fast Train

from_iterable

itertools.from_iterable

chain

itertools.chain

any

18

1

First

Long Pressed

fullmatch

re.fullmatch

escape

re.escape

re.sub

19

1

First

Matrix "Hatching"

typing.Iterable

Iterable

typing

print

if-comprehension

19

First

Aggregate by Operation

collections.defaultdict

defaultdict

dict-comp

dict

items

20

1

First

Fibonacci Poem

print

join

while

First

The Einstein Problem-Lite

is

pop

None

break

set

1

First

Replace with Biggest

typing.Iterable

Iterable

max

typing

print

First

Adjacent Letters

re.sub

sub

r-string

re

print

1

First

Bigger Together

cmp_to_key

functools.cmp_to_key

reversed

functools

lambda

3

recursion

Adjacent Letters

re.sub

sub

r-string

re

inline-if

First

Caesar Cipher (encryptor)

chr

ord

lambda

inline-if

join

9

1

First

The Greatest Common Divisor

math.gcd

gcd

functools.reduce

reduce

functools

7

First

Find Enemy

chr

ord

index

while

in

First

Can Balance

reversed

enumerate

typing.Iterable

Iterable

typing

First

Caesar Cipher (decryptor)

ascii_lowercase

string.ascii_lowercase

chr

string

ord

First

What Is Wrong With This Family?

is

any

add

continue

enumerate

First

Cut Sentence

shorten

textwrap.shorten

textwrap

lambda

inline-if

First

Disposable Teleports

continue

None

set

lambda

or

First

Achilles and the Tortoise

lambda

First

Moore Neighbourhood

min

max

sum

list-comp

range

3

First

Best Stock

itemgetter

operator.itemgetter

operator

items

max

First

Binary Count

while

1

First

Fizz Buzz

elif

str

if

Second

Count Chains

math.hypot

hypot

Tuple

typing.Tuple

any

1

37

3

First

Move Zeros

count

print

if-comprehension

list-comp

list

1

37

First

Leap Year Checking

calendar.isleap

isleap

calendar

as

print

1

22

1

First

Quadratic Equation Roots

inline-if

print

list

int

2

4

First

Morse Encoder

lower

lambda

join

comprehension

5

20

3

First

Perfect Number Checking

mul

operator.mul

itertools.product

product

operator

5

3

First

The Centrifuge Problem

yield

any

bool

print

while

5

First

Write Quadratic Equation

zip

continue

abs

not

or

6

5

First

Close Enough

math.log

log

round

math

min

6

First

Cleaning Robot

float

enumerate

not

or

print

6

Second

Identify Block

tuple

min

sorted

in

list-comp

7

5

First

Reveal the Number

float

None

isdigit

not

inline-if

10

4

1

First

One Switch Strings

bool

print

join

False

True

16

First

Colorful Disks

Ellipsis

tuple

print

int

for

16

First

Correct Capital

capitalize

any

upper

bool

lower

17

3

count diffs

One Switch Strings

zip

bool

sum

print

sorted

17

1

First

Is String a Number? (Part II)

float

bool

except

try

print

19

1

First

Count And Say

groupby

itertools.groupby

f-string

itertools

print

19

First

Is String a Number?

isdigit

print

False

True

str

1

First

Interesting, intersecting

tuple

bool

not

or

print

First

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zip

sum

print

sorted

list

First

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Fraction

fractions.Fraction

fractions

map

abs

2

First

When "k" is Enough!

collections.Counter

Counter

collections

typing.Iterable

Iterable

First

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math.hypot

hypot

Tuple

typing.Tuple

any

First

Clock Angle

abs

inline-if

list-comp

split

comprehension

2

1

Second

Is String a Number? (Part II)

fullmatch

re.fullmatch

r-string

re

bool

First

Making Change

min

None

inline-if

if-comprehension

and

First

Feed Pigeons

min

max

while

4

First

Counting Tiles

math.ceil

ceil

math.sqrt

sqrt

math

First

Find Quotes

findall

re.findall

r-string

re

lambda

1

First

How to Find Friends

collections.defaultdict

defaultdict

add

collections

set

3

First

Reverse Roman Numerals

startswith

reversed

enumerate

list

len

First

Largest Rectangle in a Histogram

itertools.takewhile

takewhile

itertools

max

lambda

First

Long Repeat

groupby

itertools.groupby

itertools

max

lambda

1

First

Roman Numerals

3

First

Monkey Typing

lower

if-comprehension

in

list-comp

comprehension

1

First

The Most Numbers

min

max

len

if

1

First

Tree Walker

isinstance

values

dict

tuple

sum

3

12

2

First

YAML. Complex Structure

ast.literal_eval

literal_eval

ast

splitlines

startswith

3

4

1

First

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case

match-case

upper

tuple

zip

3

1

First

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complex

numpy.linalg

linalg

numpy

as

3

First

YAML. List and Comments

ast.literal_eval

literal_eval

ast

splitlines

startswith

6

3

1

First

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add

tuple

bool

set

or

7

First

15-puzzle Solvability

from_iterable

itertools.from_iterable

chain

itertools.chain

itertools

8

1

First

IP Network: Route Summarization

map

set

join

False

append

12

6

First

Flood Area

itertools.takewhile

takewhile

pass

itertools

enumerate

First

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list-comp

range

comprehension

len

6

1

First

Digits Doublets

zip

lambda

while

if-comprehension

and

1

First

Swap Nodes

reversed

sum

range

list

comprehension

4

1

First

Long Non Repeat

find

in

elif

len

for

2

1

First

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datetime.strptime

strptime

datetime.datetime

datetime

lambda

3

First

Middle Characters

inline-if

len

2

First

Zigzag Array

List

typing.List

typing

inline-if

append

First

The Shortest Knight's Path

add

ord

continue

pop

set

First

Multiplication Table

bin

replace

else

int

for

1

First

The Fastest Horse

statistics.mode

mode

statistics

itemgetter

operator.itemgetter

First

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yield

is

continue

None

sorted

2

4

First

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enumerate

min

max

or

sum

4

12

1

First

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max

and

append

else

for

5

13

1

First

Barcode Reader

KeyError

translate

insert

map

enumerate

6

3

1

First

Paper Dice

translate

reversed

all

zip

pop

6

2

1

First

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yield

pop

max

while

and

7

First

Merge Intervals (iterator version)

yield

pop

max

while

and

8

First

Searchlights

math.cos

cos

math.hypot

hypot

math.sin

8

First

Exploring Calkin-Wilf Tree

tuple

lambda

inline-if

print

int

9

Second

Power Plants

Dict

typing.Dict

typing.Set

Set

difference

11

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