Card Number Validation in Python in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 157th artem-aramma 479 140 16ms 18 Jun 2025 162nd FranklinJiaChen 475 141 13ms 2 Oct 2024 163rd brimstonetrader 472 142 16ms 17 Oct 2024 163rd codewrite 🇬🇧 472 142 12ms 5 May 2025 163rd RobGLambert 472 142 19ms 8 Jun 2025 163rd GodlyProgrammer1 472 142 18ms 22 Nov 2025 163rd jbjd 472 142 11ms 4 Feb 2026 168th GeneralFabian 469 143 10ms 9 Dec 2024 168th CutSandstone 469 143 11ms 30 Jan 2025 168th kistlerf 🇨🇭 469 143 17ms 19 May 2025 171st hiichbindermax 465 144 19ms 2 Oct 2024 171st mathisfun271 465 144 12ms 14 Oct 2024 171st bob-th 465 144 11ms 22 Oct 2024 174th cuvam 462 145 10ms 14 hours ago 175th croc54 459 146 11ms 15 Dec 2024 176th PyryL 🇫🇮 456 147 11ms 1 Mar 2025 177th mbittner20 453 148 10ms 13 Oct 2024 177th YAJUE114514 453 148 10ms 12 Dec 2025 179th psaban 450 149 18ms 31 Jul 2025 179th TheZwierzLF 🇵🇱 450 149 11ms 24 Nov 2025 179th RodAlc24 🇪🇸 450 149 18ms 22 Feb 2026 182nd jameswmccarty 447 150 11ms 5 Oct 2024 182nd yousefalizadeh 447 150 11ms 23 Oct 2024 182nd feherd 447 150 10ms 31 Oct 2024 182nd kadamkaustubh 447 150 11ms 8 Nov 2025 186th adamnielson42 🇺🇸 441 152 10ms 6 Oct 2024 186th voidgloom 441 152 11ms 22 Oct 2024 186th omero-san 441 152 10ms 22 Sep 2025 186th brochmann 🇸🇪 441 152 10ms 12 Oct 2025 190th denisfouchard 438 153 10ms 21 Aug 2025 191st osNiko 🇧🇷 435 154 11ms 21 Aug 2025 192nd celiendonze 🇨🇭 432 155 11ms 17 Oct 2025 193rd Shotokhan 429 156 10ms 21 Sep 2025 194th lhulinsky 427 157 11ms 21 Oct 2024 195th ellis-rix 424 158 11ms 9 Dec 2024 196th webmiche 421 159 11ms 3 Nov 2025 197th CheeseCake628 🇳🇴 419 160 108ms 5 Nov 2024 198th pres-abhisheksinha 416 161 10ms 8 Oct 2024 199th ibixina 414 162 10ms 13 Oct 2024 199th TheAtrossian 414 162 13ms 5 Jan 2025 201st Vaekor 406 165 11ms 15 Dec 2024 202nd JesseNoEyes 🇺🇸 396 169 10ms 1 Oct 2024 203rd zyc-2024 🇨🇳 394 170 10ms 5 Oct 2024 204th ComputerKWasTaken 🇺🇸 392 171 11ms 14 Oct 2024 205th navier-1 387 173 10ms 22 Sep 2025 206th clayboll99 381 176 11ms 10 Jul 2025 207th muser-logiccpu 🇺🇦 379 177 18ms 9 Aug 2025 208th OSYCh314 🇦🇺 376 178 11ms 2 Nov 2024 209th calum12345 372 180 11ms 26 Mar 2025 210th zt14427 368 182 10ms 27 Dec 2024 211th IoLimmer 366 183 11ms 10 Oct 2024 212th estomagordo 🇳🇱 360 186 11ms 15 Jul 2025 213th ComradeSquirrel 349 192 10ms 3 days ago 214th gautambp 307 218 11ms 24 Jun 2025 215th Zhenyu-Bo 294 228 11ms 30 Jul 2025 216th EthanJantz 291 230 12ms 5 Sep 2025 217th RobertBurs 283 237 11ms 22 Sep 2025 218th TJK-S 278 241 12ms 25 Oct 2025 218th NoneTheFewer 278 241 11ms 25 Dec 2025 220th te-chnical 260 258 222ms 4 May 2025 221st arebbsba 226 296 10ms 9 Jan 2025 222nd kasarino 224 299 11ms 8 Feb 2026 223rd benanlam 209 320 12ms 21 Dec 2025 224th AidanWalter 124 540 11ms 1 Jan 2025 225th bignamehyp 100 667 11ms 14 Nov 2024 First Prev 161–225 of 225
