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Third
Non-unique Elements
collections.Counter
Counter
collections
if-comprehension
list
Second
Non-unique Elements
bisect.bisect
bisect
sorted
if-comprehension
and
First
Non-unique Elements
sorted
if-comprehension
False
True
list
Electronic Station
First
Brackets
values
keys
get
pop
in
First
Digits Multiplication
mul
operator.mul
operator
functools.reduce
reduce
Scientific Expedition
list comprehension and format
Morse Clock
divmod
tuple
zip
lambda
list-comp
First
Cipher Map
zip
map
lambda
join
list
join capitalize split
Conversion into CamelCase
capitalize
map
lambda
join
split
len set filter alpha
Pangram
filter
upper
isalpha
set
lambda
First
Absolute Sorting
abs
sorted
First
Common Words
set
lambda
sorted
join
split
First
The Most Wanted Letter
ascii_lowercase
string.ascii_lowercase
string
min
lower
O'Reilly
First
Loading Cargo
combinations
itertools.combinations
itertools
abs
sum
liner
Loading Cargo
combinations
itertools.combinations
itertools
min
abs
First
Median
print
elif
False
append
True
Mine
First
Currency Style
re.split
re
or
join
elif
First
Caesar Cipher (encryptor)
translate
lambda
First
Achilles and the Tortoise
First
Binary Count
bin
lambda
count
Ice Base
DDP
Roman Numerals
zip
list-comp
range
list
comprehension
First
How to Find Friends
set
or
print
elif
False
zipself
Long Repeat
zip
max
else
len
for
First
Roman Numerals
join
while
append
for
if
First
The Most Numbers
min
max
len
if
sum map find
Monkey Typing
find
map
lower
lambda
sum
Alice In Wonderland
counter min, most common
The Fastest Horse
itemgetter
operator.itemgetter
operator
collections.Counter
Counter
GitHub
First
The End of Other
endswith
any
lambda
if-comprehension
list-comp
First
Broken Clock
functools.reduce
reduce
functools
map
lambda
dict split split
Cookies
dict
lambda
split
comprehension
recursive
Open Labyrinth
any
items
pop
None
join
recursive, bis
Open Labyrinth
any
items
pop
None
join
First day, last day if leap year
The Most Frequent Weekdays
calendar.isleap
isleap
calendar
date
datetime.date
Dropbox
no recursion
Numbers Factory
reversed
functools.reduce
reduce
functools
lambda
18
First
Three Points Circle
eval
math.sqrt
sqrt
format
round
First
Numbers Factory
reversed
functools.reduce
reduce
functools
lambda
First
Speech Module
elif
if
Second
Speech Module
join
elif
append
if
PyCon TW
Second
How Much Gold
iter
functools.reduce
reduce
functools
items
2
1
algorithm explained
How Much Gold
mul
operator.mul
Fraction
fractions.Fraction
fractions
Second
Golden Pyramid
max
len
if
First
Golden Pyramid
max
len
if
Second
House Password
False
and
True
len
for
First
House Password
False
and
len
for
if
Storage
transpose
Square Spiral
bisect.bisect
bisect
abs
elif
list-comp
HubSpot
First
Restricted Sum
repr
eval
replace
First
The Hamming Distance
while
First
Number Base
ValueError
except
try
int
Blizzard
First
Spaceship Landing Strip
break
max
in
range
else
First
Min and Max
hasattr
get
min
max
lambda
First
Unlucky Days
datetime.datetime
datetime
lambda
sum
list-comp
Second
Min and Max
iter
next
lambda
inline-if
len
Third
Min and Max
None
lambda
inline-if
sorted
False
Rock
lookup
Parity Bit Generator
chr
bin
count
join
list-comp
5
a bit of OOP
Web Log Sessions
class
datetime.timedelta
timedelta
update
as
OOPythonic
Web Log Sessions
class
splitlines
datetime.timedelta
timedelta
update
lookup table
Parity Bit Generator
chr
bin
count
join
list-comp
bisection
Super Root
while
elif
else
if
Shelter
bisect and distance
The Nearest Square Number
bisect.bisect_left
bisect_left
bisect
min
abs
flatten
Completely Empty
collections.Iterable
yield
isinstance
collections
Iterable
First
Ghosts Age
bisect.bisect
bisect
elif
append
range
Codeship
so messy
Unfair Dice
combinations_with_replacement
itertools.combinations_with_replacement
operator.add
operator
functools.reduce
11
combinations_with_replacement
Unfair Dice
combinations_with_replacement
itertools.combinations_with_replacement
itertools
continue
sum
First A star manhattan
8 Puzzle
class
Exception
reverse
raise
remove
Watchtower
all categories
Numbered Triangles
itertools.permutations
permutations
itertools
max
if-comprehension
6
First
Numbered Triangles
max
sum
if-comprehension
and
range
straightforward
Compare Functions
is
None
except
try
or