Collatz in Python in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 599th TrentGlimp 700 90 18ms 3 Sep 2022 599th Ugoran 700 90 18ms 19 Nov 2022 599th PATTRIM 700 90 17ms 5 Jan 2023 599th charliegaming 700 90 18ms 3 Oct 2023 599th lhulinsky 700 90 17ms 22 Oct 2024 599th bthalheim 700 90 22ms 6 Dec 2024 599th nooby31415 700 90 18ms 18 Apr 2025 599th SinArieh 700 90 24ms 4 May 2025 599th islptng 700 90 23ms 7 Jul 2025 599th Mr-McChicken 700 90 16ms 4 Oct 2025 611th AbelPelser 692 91 22ms 3 Jul 2022 611th Seis 692 91 18ms 9 Dec 2022 611th r-i-c-e 692 91 19ms 9 Jul 2023 611th joshcors 692 91 16ms 30 Jun 2024 611th resoNathan 692 91 15ms 9 Jul 2024 611th jameswmccarty 692 91 21ms 24 Sep 2024 611th hamilton-bonds 692 91 16ms 12 Nov 2024 611th Wonamm 692 91 25ms 14 Feb 2025 619th TimLeffke 685 92 21ms 17 Aug 2022 619th Rythoka 685 92 16ms 17 Oct 2022 619th UriyaBA 685 92 17ms 19 Mar 2023 619th VladislavGitter 🇪🇸 685 92 18ms 14 Nov 2023 619th ridingqwerty 🇺🇸 685 92 15ms 22 Dec 2023 619th Thonoton 685 92 22ms 1 Feb 2024 619th OCNeve 685 92 20ms 17 Jun 2024 619th themoonisacheese 685 92 24ms 25 Feb 2025 619th BabySharkHi 685 92 21ms 22 Apr 2025 619th arjunarya1 685 92 16ms 28 Aug 2025 619th TJK-S 685 92 18ms 10 Oct 2025 630th Bananapants22 677 93 25ms 4 Sep 2022 630th jaxmattfair 🇺🇸 677 93 19ms 10 Jan 2023 630th cingulataluke 677 93 21ms 27 Aug 2023 630th fenix-bear 677 93 19ms 18 Nov 2023 630th epic-programmer-guy 677 93 24ms 22 Dec 2023 630th brimstonetrader 677 93 25ms 18 Nov 2024 636th atazzam 🇺🇸 670 94 17ms 18 May 2022 636th rohangpta 670 94 16ms 8 Aug 2022 636th shinylego 670 94 19ms 14 Sep 2022 636th sgaltair 670 94 19ms 4 Nov 2022 636th TotoAJ 670 94 18ms 15 Dec 2023 636th Gusic06 670 94 19ms 6 May 2024 636th kyleyarwood 670 94 21ms 6 Oct 2024 636th jj0786-cell 670 94 18ms 1 Apr 2025 636th griffinschreiber 670 94 19ms 1 Apr 2025 645th felixcroc 663 95 22ms 30 Mar 2023 645th Pyro569 663 95 18ms 4 Jul 2023 645th rm-rf-innocence 663 95 19ms 19 Dec 2023 645th Bit125 663 95 18ms 30 Jan 2024 645th aalec 663 95 22ms 25 Apr 2024 645th strogor 663 95 18ms 13 Jun 2025 645th cthierfelder 🇲🇨 663 95 18ms 17 Jul 2025 645th ThomasDelepine 663 95 20ms 17 days ago 653rd karhuthebear 656 96 25ms 9 May 2022 653rd qwjhvbxi 656 96 20ms 6 Feb 2024 653rd alfonsoalves 656 96 21ms 21 Jul 2024 653rd jeff-re 656 96 14ms 1 Apr 2025 657th a-penton 649 97 19ms 22 Sep 2022 657th jrbud 649 97 20ms 6 Jan 2024 657th befoster 649 97 20ms 22 Feb 2024 657th joshua-el-samalouti 🇩🇪 649 97 19ms 26 May 2024 657th luca1339 649 97 21ms 10 Jun 2024 662nd lukemalek 643 98 14ms 10 Oct 2022 662nd UltimateGuy0987 643 98 19ms 14 Oct 2022 662nd TheLazySquid 643 98 22ms 20 Dec 2022 662nd StronkCheese 🇺🇸 643 98 19ms 13 Mar 2023 662nd Anthony-Williams-06 643 98 25ms 17 Oct 2023 662nd NoneTheFewer 643 98 18ms 17 May 2024 662nd abcdhhhh 643 98 17ms 27 Aug 2024 662nd OSYCh314 🇦🇺 643 98 24ms 16 Nov 2024 662nd cole-wilson 643 98 19ms 9 Dec 2024 662nd Akilles1 643 98 18ms 15 May 2025 662nd Hyperoplex145 643 98 19ms 4 days ago 673rd LukeRichardson-dev 636 99 14ms 12 May 2022 673rd Tagfox 636 99 19ms 18 Jul 2022 673rd gabrielsqw 636 99 24ms 24 Oct 2023 First Prev 601–675 of 800 Next Last
TrentGlimp
Ugoran
PATTRIM
charliegaming
lhulinsky
bthalheim
nooby31415
SinArieh
islptng
Mr-McChicken
AbelPelser
Seis
r-i-c-e
joshcors
resoNathan
jameswmccarty
hamilton-bonds
Wonamm
TimLeffke
Rythoka
UriyaBA
VladislavGitter
🇪🇸
ridingqwerty
🇺🇸
Thonoton
OCNeve
themoonisacheese
BabySharkHi
arjunarya1
TJK-S
Bananapants22
jaxmattfair
🇺🇸
cingulataluke
fenix-bear
epic-programmer-guy
brimstonetrader
atazzam
🇺🇸
rohangpta
shinylego
sgaltair
TotoAJ
Gusic06
kyleyarwood
jj0786-cell
griffinschreiber
felixcroc
Pyro569
rm-rf-innocence
Bit125
aalec
strogor
cthierfelder
🇲🇨
ThomasDelepine
karhuthebear
qwjhvbxi
alfonsoalves
jeff-re
a-penton
jrbud
befoster
joshua-el-samalouti
🇩🇪
luca1339
lukemalek
UltimateGuy0987
TheLazySquid
StronkCheese
🇺🇸
Anthony-Williams-06
NoneTheFewer
abcdhhhh
OSYCh314
🇦🇺
cole-wilson
Akilles1
Hyperoplex145
LukeRichardson-dev
Tagfox
gabrielsqw