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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel 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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 161st mbittner20 561 148 11ms 13 Oct 2024 161st YAJUE114514 561 148 10ms 12 Dec 2025 163rd psaban 557 149 16ms 31 Jul 2025 163rd TheZwierzLF 🇵🇱 557 149 11ms 24 Nov 2025 165th FlorianCassayre 🇫🇷 553 150 16ms 1 Oct 2024 165th jameswmccarty 553 150 10ms 5 Oct 2024 165th yousefalizadeh 553 150 10ms 23 Oct 2024 165th feherd 553 150 10ms 31 Oct 2024 165th kadamkaustubh 553 150 9ms 8 Nov 2025 170th adamnielson42 🇺🇸 546 152 12ms 6 Oct 2024 170th voidgloom 546 152 10ms 22 Oct 2024 170th omero-san 546 152 9ms 22 Sep 2025 170th brochmann 🇸🇪 546 152 13ms 12 Oct 2025 174th xyangst 542 153 9ms 1 Oct 2024 174th denisfouchard 542 153 10ms 21 Aug 2025 176th osNiko 🇧🇷 539 154 10ms 21 Aug 2025 177th robin-scragg 535 155 13ms 21 Aug 2025 177th celiendonze 🇨🇭 535 155 11ms 17 Oct 2025 179th travisdoesmath 532 156 9ms 7 Sep 2025 179th Shotokhan 532 156 9ms 21 Sep 2025 181st lhulinsky 529 157 9ms 21 Oct 2024 182nd ThatAlo 525 158 10ms 9 Dec 2024 183rd webmiche 522 159 10ms 3 Nov 2025 184th CheeseCake628 🇳🇴 519 160 102ms 5 Nov 2024 185th pres-abhisheksinha 516 161 10ms 8 Oct 2024 186th ibixina 512 162 9ms 13 Oct 2024 186th TheAtrossian 512 162 10ms 5 Jan 2025 188th Vaekor 503 165 10ms 15 Dec 2024 189th JesseNoEyes 🇺🇸 491 169 10ms 1 Oct 2024 190th zyc-2024 🇨🇳 488 170 9ms 5 Oct 2024 191st ComputerKWasTaken 🇺🇸 485 171 10ms 14 Oct 2024 192nd navier-1 480 173 11ms 22 Sep 2025 193rd clayboll99 472 176 10ms 10 Jul 2025 194th Upload-and-View 🇺🇦 469 177 17ms 9 Aug 2025 195th OSYCh314 🇦🇺 466 178 10ms 2 Nov 2024 196th calum12345 461 180 10ms 26 Mar 2025 197th zt14427 456 182 10ms 27 Dec 2024 198th IoLimmer 454 183 9ms 10 Oct 2024 199th aksyristos 451 184 16ms 15 Nov 2024 200th estomagordo 🇳🇱 446 186 10ms 15 Jul 2025 201st gautambp 381 218 11ms 24 Jun 2025 202nd Zhenyu-Bo 364 228 10ms 30 Jul 2025 203rd EthanJantz 361 230 10ms 5 Sep 2025 204th RobertBurs 350 237 10ms 22 Sep 2025 205th TJK-S 344 241 10ms 25 Oct 2025 205th NoneTheFewer 344 241 11ms 22 days ago 207th te-chnical 322 258 215ms 4 May 2025 208th arebbsba 280 296 10ms 9 Jan 2025 209th benanlam 259 320 12ms 27 days ago 210th AidanWalter 154 540 10ms 1 Jan 2025 211th bignamehyp 124 667 13ms 14 Nov 2024 First Prev 161–211 of 211