Card Number Validation 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 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 Chars Time Submitted 149th kistlerf 🇨🇭 469 143 16ms 19 May 2025 152nd hiichbindermax 465 144 16ms 2 Oct 2024 152nd mathisfun271 465 144 10ms 14 Oct 2024 152nd bob-th 465 144 9ms 22 Oct 2024 155th Flekay 🇩🇪 462 145 10ms 10 Jul 2025 156th croc54 459 146 10ms 15 Dec 2024 157th PyryL 🇫🇮 456 147 11ms 1 Mar 2025 158th mbittner20 453 148 9ms 13 Oct 2024 159th psaban 450 149 16ms 31 Jul 2025 160th jameswmccarty 447 150 9ms 5 Oct 2024 160th yousefalizadeh 447 150 10ms 23 Oct 2024 160th feherd 447 150 10ms 31 Oct 2024 160th TheZwierzLF 🇵🇱 447 150 9ms 17 May 2025 160th kadamkaustubh 447 150 9ms 7 days ago 165th adamnielson42 🇺🇸 441 152 11ms 6 Oct 2024 165th voidgloom 441 152 9ms 22 Oct 2024 165th omero-san 441 152 10ms 22 Sep 2025 165th brochmann 🇸🇪 441 152 10ms 12 Oct 2025 169th denisfouchard 438 153 10ms 21 Aug 2025 170th osNiko 🇧🇷 435 154 9ms 21 Aug 2025 171st FortuiteMan 🇫🇷 432 155 16ms 16 Oct 2024 171st celiendonze 🇨🇭 432 155 10ms 17 Oct 2025 173rd Shotokhan 429 156 9ms 21 Sep 2025 174th lhulinsky 427 157 10ms 21 Oct 2024 175th ThatAlo 424 158 11ms 9 Dec 2024 176th webmiche 421 159 10ms 11 days ago 177th CheeseCake628 🇳🇴 419 160 101ms 5 Nov 2024 178th pres-abhisheksinha 416 161 10ms 8 Oct 2024 179th ibixina 414 162 9ms 13 Oct 2024 179th TheAtrossian 414 162 11ms 5 Jan 2025 181st Vaekor 406 165 10ms 15 Dec 2024 182nd JesseNoEyes 🇺🇸 396 169 10ms 1 Oct 2024 183rd zyc-2024 🇨🇳 394 170 10ms 5 Oct 2024 184th ComputerKWasTaken 🇺🇸 392 171 9ms 14 Oct 2024 185th navier-1 387 173 13ms 22 Sep 2025 186th clayboll99 381 176 9ms 10 Jul 2025 187th Upload-and-View 🇺🇦 379 177 17ms 9 Aug 2025 188th OSYCh314 🇦🇺 376 178 10ms 2 Nov 2024 189th calum12345 372 180 10ms 26 Mar 2025 190th zt14427 368 182 10ms 27 Dec 2024 191st IoLimmer 366 183 10ms 10 Oct 2024 192nd aksyristos 364 184 17ms 15 Nov 2024 193rd estomagordo 🇳🇱 360 186 10ms 15 Jul 2025 194th gautambp 307 218 9ms 24 Jun 2025 195th Zhenyu-Bo 294 228 10ms 30 Jul 2025 196th EthanJantz 291 230 9ms 5 Sep 2025 197th RobertBurs 283 237 9ms 22 Sep 2025 198th TJK-S 278 241 14ms 21 days ago 199th te-chnical 260 258 204ms 4 May 2025 200th arebbsba 226 296 11ms 9 Jan 2025 201st AidanWalter 124 540 10ms 1 Jan 2025 202nd bignamehyp 100 667 12ms 14 Nov 2024 First Prev 151–202 of 202