Card Number Validation in Python in bytes. 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 Bytes Time Submitted 157th jbjd 585 142 11ms 4 Feb 2026 162nd GeneralFabian 580 143 10ms 9 Dec 2024 162nd CutSandstone 580 143 11ms 30 Jan 2025 162nd kistlerf 🇨🇭 580 143 17ms 19 May 2025 165th hiichbindermax 576 144 19ms 2 Oct 2024 165th mathisfun271 576 144 12ms 14 Oct 2024 165th bob-th 576 144 11ms 22 Oct 2024 168th JunkIce 572 145 10ms 3 Dec 2024 169th croc54 568 146 11ms 15 Dec 2024 170th PyryL 🇫🇮 565 147 11ms 1 Mar 2025 171st mbittner20 561 148 10ms 13 Oct 2024 171st YAJUE114514 561 148 10ms 12 Dec 2025 173rd psaban 557 149 18ms 31 Jul 2025 173rd TheZwierzLF 🇵🇱 557 149 11ms 24 Nov 2025 173rd RodAlc24 🇪🇸 557 149 18ms 22 Feb 2026 176th FlorianCassayre 🇫🇷 553 150 18ms 1 Oct 2024 176th jameswmccarty 553 150 11ms 5 Oct 2024 176th yousefalizadeh 553 150 11ms 23 Oct 2024 176th feherd 553 150 10ms 31 Oct 2024 176th kadamkaustubh 553 150 11ms 8 Nov 2025 181st adamnielson42 🇺🇸 546 152 10ms 6 Oct 2024 181st voidgloom 546 152 11ms 22 Oct 2024 181st omero-san 546 152 10ms 22 Sep 2025 181st brochmann 🇸🇪 546 152 10ms 12 Oct 2025 185th xyangst 542 153 10ms 1 Oct 2024 185th denisfouchard 542 153 10ms 21 Aug 2025 187th osNiko 🇧🇷 539 154 11ms 21 Aug 2025 188th robin-scragg 535 155 11ms 21 Aug 2025 188th celiendonze 🇨🇭 535 155 11ms 17 Oct 2025 190th travisdoesmath 532 156 11ms 7 Sep 2025 190th Shotokhan 532 156 10ms 21 Sep 2025 192nd lhulinsky 529 157 11ms 21 Oct 2024 193rd ellis-rix 525 158 11ms 9 Dec 2024 194th webmiche 522 159 11ms 3 Nov 2025 195th CheeseCake628 🇳🇴 519 160 108ms 5 Nov 2024 196th pres-abhisheksinha 516 161 10ms 8 Oct 2024 197th ibixina 512 162 10ms 13 Oct 2024 197th TheAtrossian 512 162 13ms 5 Jan 2025 199th Vaekor 503 165 11ms 15 Dec 2024 200th JesseNoEyes 🇺🇸 491 169 10ms 1 Oct 2024 201st zyc-2024 🇨🇳 488 170 10ms 5 Oct 2024 202nd ComputerKWasTaken 🇺🇸 485 171 11ms 14 Oct 2024 203rd navier-1 480 173 10ms 22 Sep 2025 204th clayboll99 472 176 11ms 10 Jul 2025 205th muser-logiccpu 🇺🇦 469 177 18ms 9 Aug 2025 206th OSYCh314 🇦🇺 466 178 11ms 2 Nov 2024 207th calum12345 461 180 11ms 26 Mar 2025 208th zt14427 456 182 10ms 27 Dec 2024 209th IoLimmer 454 183 11ms 10 Oct 2024 210th estomagordo 🇳🇱 446 186 11ms 15 Jul 2025 211th ComradeSquirrel 415 200 11ms 13 days ago 212th gautambp 381 218 11ms 24 Jun 2025 213th Zhenyu-Bo 364 228 11ms 30 Jul 2025 214th EthanJantz 361 230 12ms 5 Sep 2025 215th RobertBurs 350 237 11ms 22 Sep 2025 216th TJK-S 344 241 12ms 25 Oct 2025 216th NoneTheFewer 344 241 11ms 25 Dec 2025 218th te-chnical 322 258 222ms 4 May 2025 219th arebbsba 280 296 10ms 9 Jan 2025 220th kasarino 278 299 11ms 8 Feb 2026 221st benanlam 259 320 12ms 21 Dec 2025 222nd AidanWalter 154 540 11ms 1 Jan 2025 223rd bignamehyp 124 667 11ms 14 Nov 2024 First Prev 161–223 of 223
