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 Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly 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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 150th CutSandstone 469 143 9ms 30 Jan 2025 150th kistlerf 🇨🇭 469 143 16ms 19 May 2025 153rd hiichbindermax 465 144 15ms 2 Oct 2024 153rd mathisfun271 465 144 9ms 14 Oct 2024 153rd bob-th 465 144 10ms 22 Oct 2024 156th Flekay 🇩🇪 462 145 10ms 10 Jul 2025 157th croc54 459 146 11ms 15 Dec 2024 158th PyryL 🇫🇮 456 147 10ms 1 Mar 2025 159th mbittner20 453 148 9ms 13 Oct 2024 160th psaban 450 149 16ms 31 Jul 2025 161st jameswmccarty 447 150 9ms 5 Oct 2024 161st yousefalizadeh 447 150 10ms 23 Oct 2024 161st feherd 447 150 12ms 31 Oct 2024 161st TheZwierzLF 🇵🇱 447 150 10ms 17 May 2025 161st kadamkaustubh 447 150 9ms 15 days ago 166th adamnielson42 🇺🇸 441 152 9ms 6 Oct 2024 166th voidgloom 441 152 10ms 22 Oct 2024 166th omero-san 441 152 9ms 22 Sep 2025 166th brochmann 🇸🇪 441 152 10ms 12 Oct 2025 170th denisfouchard 438 153 11ms 21 Aug 2025 171st osNiko 🇧🇷 435 154 22ms 21 Aug 2025 172nd FortuiteMan 🇫🇷 432 155 16ms 16 Oct 2024 172nd celiendonze 🇨🇭 432 155 11ms 17 Oct 2025 174th Shotokhan 429 156 9ms 21 Sep 2025 175th lhulinsky 427 157 10ms 21 Oct 2024 176th ThatAlo 424 158 10ms 9 Dec 2024 177th webmiche 421 159 10ms 20 days ago 178th CheeseCake628 🇳🇴 419 160 99ms 5 Nov 2024 179th pres-abhisheksinha 416 161 9ms 8 Oct 2024 180th ibixina 414 162 10ms 13 Oct 2024 180th TheAtrossian 414 162 10ms 5 Jan 2025 182nd Vaekor 406 165 9ms 15 Dec 2024 183rd JesseNoEyes 🇺🇸 396 169 10ms 1 Oct 2024 184th zyc-2024 🇨🇳 394 170 10ms 5 Oct 2024 185th ComputerKWasTaken 🇺🇸 392 171 9ms 14 Oct 2024 186th navier-1 387 173 10ms 22 Sep 2025 187th clayboll99 381 176 11ms 10 Jul 2025 188th Upload-and-View 🇺🇦 379 177 16ms 9 Aug 2025 189th OSYCh314 🇦🇺 376 178 11ms 2 Nov 2024 190th calum12345 372 180 10ms 26 Mar 2025 191st zt14427 368 182 11ms 27 Dec 2024 192nd IoLimmer 366 183 11ms 10 Oct 2024 193rd aksyristos 364 184 16ms 15 Nov 2024 194th estomagordo 🇳🇱 360 186 10ms 15 Jul 2025 195th gautambp 307 218 10ms 24 Jun 2025 196th Zhenyu-Bo 294 228 14ms 30 Jul 2025 197th EthanJantz 291 230 10ms 5 Sep 2025 198th RobertBurs 283 237 10ms 22 Sep 2025 199th TJK-S 278 241 9ms 25 Oct 2025 200th te-chnical 260 258 193ms 4 May 2025 201st arebbsba 226 296 12ms 9 Jan 2025 202nd AidanWalter 124 540 9ms 1 Jan 2025 203rd bignamehyp 100 667 9ms 14 Nov 2024 First Prev 151–203 of 203