Thenbacker profile - python coding challenges

First

Three Words

isdigit

elif

False

True

split

1

First

Days Between

date

datetime.date

datetime

else

if

First

Non-unique Elements

count

if-comprehension

list-comp

comprehension

1

First

Right to Left

replace

join

append

range

len

2

First

Even the Last

sum

append

range

else

len

First

Find Sequence

groupby

itertools.groupby

numpy.array

array

numpy

16

2

First

Can You Pass?

pass

pop

or

while

in

1

First

Verify Anagrams

replace

lower

sorted

list

5

First

Digits Multiplication

pass

else

int

str

for

3

First

Boolean Algebra

or

and

if

First

Letter Queue

join

append

else

len

for

1

First

The Hidden Word

finditer

re.finditer

re

replace

max

First

Striped Words

punctuation

string.punctuation

isalnum

rstrip

string

2

1

First

Call to Home

math.ceil

ceil

math

in

split

Second, I had to use Counter after seeing it...

Call to Home

math.ceil

ceil

collections.Counter

Counter

collections

First, turn, turn

Cipher Map

while

append

range

len

for

First

Bird Language

while

in

elif

else

len

1

First, What's not to love about Python

I Love Python!

First

Pangram

ascii_lowercase

string.ascii_lowercase

strip

string

set

First

Absolute Sorting

abs

sorted

1

First

Morse Clock

zfill

bin

split

range

list

First

Common Words

set

sorted

join

split

list

First

The Most Wanted Letter

update

collections.Counter

Counter

collections

isalpha

First

Secret Message

isupper

for

if

First, topsort

Determine the Order

collections.defaultdict

defaultdict

extend

collections

continue

First

Count Inversions

sorted

while

range

list

len

1

First, yet another recursion example

Flatten a List

isinstance

extend

inline-if

append

list

1

First

Index Power

IndexError

except

try

2

First

Median

sorted

else

int

len

if

Long and messy

Xs and Os Referee

elif

range

str

len

for

2

First

Friends

class

union

remove

set

if-comprehension

First, hmm I should be using more classes

Building Base

class

format

str

First, with some help of Sim0000!

Disposable Teleports

collections.deque

deque

collections.defaultdict

defaultdict

collections

6

9

1

First, a long solution

Color Map

collections.defaultdict

defaultdict

pass

collections

break

First

Currency Style

continue

replace

or

elif

split

First

Achilles and the Tortoise

round

First

Fizz Buzz

and

str

if

1

First

Moore Neighbourhood

pass

IndexError

except

try

or

First

Largest Rectangle in a Histogram

pass

IndexError

enumerate

min

except

5

First, it's a classic

Making Change

float

None

range

else

len

First, absolutely

Clock Angle

round

min

abs

split

int

First, BFS....again

How to Find Friends

collections.defaultdict

defaultdict

pass

collections

pop

First

Monkey Typing

lower

sum

if-comprehension

in

list-comp

First

The Most Numbers

min

max

else

len

if

First

IP Network: Route Summarization

zfill

bin

enumerate

join

and

First, BFS

Digits Doublets

continue

enumerate

pop

while

if-comprehension

First

Multiplication Table

format

int

str

for

First

Transposed Matrix

append

range

len

for

First

Area of a Convex Polygon

abs

range

len

for

2

First, I want to see the other solutions...

Power Supply

from_iterable

itertools.from_iterable

chain

itertools.chain

collections.deque

First

Broken Clock

time.split

gmtime

time.gmtime

time.strftime

strftime

First

The Most Frequent Weekdays

datetime.timedelta

timedelta

date

datetime.date

datetime

First, like so many others

Solution for Anything

class

True

str

First

The End of Other

continue

max

False

and

True

First

Open Labyrinth

collections.defaultdict

defaultdict

strip

collections

remove

First

The Longest Palindromic

append

range

else

len

for

3

Second, shorter

The Longest Palindromic

max

if-comprehension

list-comp

range

comprehension

2

First, really nothing special, just read the documentation

Simple Hashlib

hashlib.new

new

hashlib

First

Humpty Dumpty Form

math.atanh

atanh

math.asin

asin

math.pi

2

First

Numbers Factory

mul

operator.mul

operator

reversed

functools.reduce

First

The Best Number Ever

random.uniform

uniform

random

print

First

Speech Module

divmod

elif

and

list-comp

comprehension

First

Golden Pyramid

amax

numpy.amax

matrix

numpy.matrix

numpy.zeros

2

First

Robot Sort

enumerate

sum

join

while

append

First; I am sure this can be shortened

Calculate Islands

collections.defaultdict

defaultdict

pass

collections

pop

3

Second, a lot shorter with help of Ardillo95

Calculate Islands

collections.defaultdict

defaultdict

pass

collections

pop

First, BFS

Network Attack

discard

collections.defaultdict

defaultdict

dict-comp

pass

First

Digit Stack

sum

append

split

else

int

First

House Password

islower

isupper

isdigit

sum

if-comprehension

First, True == 1

Restricted Prime

continue

while

False

append

True

First

Skew-symmetric Matrix

continue

False

True

range

else

4

First

The Rows of Cakes

collections.deque

deque

itertools.product

product

filter

First

Saw the Stick

break

except

try

sum

print

First

Word Pattern

zfill

isnumeric

bin

enumerate

isalpha

First: always room for improvement

Weak Point

index

min

sum

append

range

1

First, shuffle

Auto Painting

random.shuffle

shuffle

random

set

join

First

Restricted Sum

eval

map

join

str

4

2

First

Number Base

except

try

int

2

1

First

Safe Coasts

pass

continue

IndexError

replace

except

First, import datetime

Unlucky Days

datetime.timedelta

timedelta

date

datetime.date

datetime

1

First

Weekend Counter

datetime.fromordinal

fromordinal

date

datetime.date

datetime

Second, timedelta & days

Weekend Counter

datetime.timedelta

timedelta

datetime

if-comprehension

list-comp

First

The Angles of a Triangle

math.degrees

degrees

math.acos

acos

round

First, long and messy

Min and Max

type

is

pass

get

tuple

7

First, really nothing special

Black Holes

numpy.sin

numpy.pi

numpy.arccos

arccos

matrix

1

First, backtrack and shuffle

Crossword Solver

random.sample

sample

random

itemgetter

operator.itemgetter

19

First, higher? lower?

Super Root

while

elif

range

else

for

1

First

ADFGVX Cipher

fromkeys

math.ceil

ceil

pass

dict

8

First, DFS and Euler

One line Drawing

collections.deque

deque

collections.defaultdict

defaultdict

dict-comp

First

Pattern Recognition

pass

IndexError

except

try

range

2

Fear, with help of SO

Ghosts Age

math.sqrt

sqrt

round

math

abs

1

Second

Ghosts Age

while

in

append

range

else

First, brute force (dark force?)

Unfair Dice

combinations_with_replacement

itertools.combinations_with_replacement

itertools

sum

elif

3

13

35

First

The Square Chest

issubset

tuple

set

sorted

range

First, BFS again ...

Network Loops

collections.deque

deque

collections.defaultdict

defaultdict

set-comp

First

Mono Captcha

range

int

str

len

for

Second, learned from the masters

The Good Radix

pass

except

try

range

int

1

First, this solution takes forever...

DNA Common Sequence

collections.deque

deque

collections.defaultdict

defaultdict

collections

First, just guessing...

Number Guess

intersection

continue

min

set

if-comprehension

2

First, no need for 'sum'

Funny Addition

eval

strip

replace

str

4