Happy Numbers in Python in chars. 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 Continued Fractions 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 Continued Fractions 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 Chars Time Submitted 601st Pierrot-Baptiste 340 141 14ms 9 Aug 2020 601st dranjohn 340 141 10ms 10 Sep 2023 601st SURAJMITTAL 340 141 9ms 20 Dec 2024 604th ChristophJud 338 142 9ms 11 Aug 2020 604th ESOrSomething 338 142 10ms 29 Sep 2025 606th RoscoeSmith 336 143 11ms 14 Sep 2022 607th SimonPeatman 333 144 19ms 2 Feb 2019 607th pde-bakk 🇳🇱 333 144 11ms 23 Oct 2023 609th CRHillman 331 145 17ms 17 Aug 2018 609th ethandhunt 331 145 10ms 29 Jul 2021 611th KiwiKoder0123 329 146 17ms 24 Jun 2019 611th KatieLG-Transpiler 🇬🇧 329 146 11ms 23 Jun 2022 611th twocatsinatrenchcoat 329 146 11ms 18 Nov 2022 611th fraserli 🇦🇺 329 146 22ms 17 Feb 2023 611th zt14427 329 146 9ms 4 Mar 2023 611th Schmitt-Very-Cool 329 146 10ms 3 Apr 2024 617th potato-jackson 327 147 17ms 10 Sep 2021 617th Florian-Mt 327 147 23ms 26 Sep 2023 619th Mojken 324 148 19ms 2 Sep 2018 620th snickercop 322 149 11ms 6 Aug 2019 621st ionutm82 320 150 13ms 22 Feb 2019 622nd dahrens 318 151 11ms 7 Jul 2019 623rd fepe55 316 152 11ms 21 Sep 2018 624th ari-gutierrez 310 155 32ms 22 Oct 2018 625th Spi3lot 306 157 10ms 18 Sep 2021 625th OppositeShark 306 157 11ms 19 Jul 2022 627th j3mak 304 158 13ms 16 Jan 2024 628th qewdweftr4g 302 159 10ms 16 Oct 2024 629th rajlath 300 160 10ms 9 Apr 2018 630th peculiarination 296 162 16ms 11 May 2021 630th Ugoran 296 162 11ms 1 Dec 2022 632nd Ty-Cyr 294 163 10ms 13 Jul 2023 633rd tbadun 293 164 15ms 8 Oct 2022 633rd Natz12 293 164 11ms 27 Jan 2023 635th Pimveha 291 165 17ms 11 Jan 2023 636th EB-Brown 289 166 11ms 23 Aug 2019 637th tombs4 286 168 13ms 8 Jun 2020 638th YoungjuneKwon 282 170 11ms 6 Dec 2018 639th hotmanga 281 171 10ms 7 Nov 2023 639th xbxbxb007 281 171 10ms 10 Jan 2024 641st janga1 279 172 22ms 12 Aug 2021 641st GitQuick 279 172 12ms 9 Mar 2024 643rd chriscconte 277 173 10ms 16 Apr 2019 643rd jjbvtk 277 173 14ms 3 Sep 2021 645th devRND-ess 267 180 15ms 30 Apr 2020 645th GlennHA 267 180 10ms 15 May 2021 645th theunofficialcoder 267 180 13ms 12 Jan 2024 648th willzywiec 265 181 11ms 5 Aug 2018 648th Unknownuserfrommars 265 181 14ms 20 Nov 2024 650th zuparnowa 264 182 17ms 23 Jan 2019 650th henrytranter 264 182 18ms 20 Sep 2019 652nd dylanjones92 261 184 11ms 17 Jan 2024 653rd shinylego 259 185 11ms 19 Oct 2022 654th Aniketgautam 255 188 10ms 6 Apr 2018 654th schmisev 255 188 10ms 11 Oct 2018 654th alfonsoalves 255 188 10ms 27 Feb 2024 657th Bananapants22 254 189 12ms 16 Aug 2022 658th jmmographer 253 190 17ms 20 Oct 2023 659th AbuzarN 250 192 11ms 4 Oct 2023 660th rohan335 245 196 10ms 24 Jul 2024 661st newc0m 236 203 18ms 7 Dec 2018 662nd Upload-and-View 🇺🇦 235 204 10ms 9 Aug 2025 663rd ariesmarinus 231 208 12ms 3 Dec 2024 664th itljan30 222 216 10ms 6 Oct 2024 665th janedoloris 219 219 9ms 14 Feb 2021 665th RobinStevenMartinez 219 219 10ms 27 Aug 2021 665th atazzam 🇺🇸 219 219 11ms 2 Apr 2022 668th eje24 215 223 20ms 22 Jul 2020 669th BLD933 🇲🇦 211 227 11ms 2 Sep 2023 670th kevinnaviapaiva 211 228 10ms 13 Feb 2025 671st DylanGodfrey 207 232 11ms 5 Jun 2018 672nd clodalala 205 234 12ms 13 Nov 2019 673rd dens558 203 237 11ms 25 May 2019 674th fl3ur1nestimable 200 240 18ms 3 Apr 2022 675th PrestonWin 193 249 11ms 20 Nov 2021 First Prev 601–675 of 697 Next Last