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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 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 Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 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 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 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 Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 151st GeneralFabian 469 143 9ms 9 Dec 2024 151st CutSandstone 469 143 9ms 30 Jan 2025 151st kistlerf 🇨🇭 469 143 16ms 19 May 2025 154th hiichbindermax 465 144 15ms 2 Oct 2024 154th mathisfun271 465 144 9ms 14 Oct 2024 154th bob-th 465 144 10ms 22 Oct 2024 157th Flekay 🇩🇪 462 145 10ms 10 Jul 2025 158th croc54 459 146 11ms 15 Dec 2024 159th PyryL 🇫🇮 456 147 10ms 1 Mar 2025 160th mbittner20 453 148 9ms 13 Oct 2024 161st psaban 450 149 16ms 31 Jul 2025 161st TheZwierzLF 🇵🇱 450 149 9ms 3 days ago 163rd jameswmccarty 447 150 9ms 5 Oct 2024 163rd yousefalizadeh 447 150 10ms 23 Oct 2024 163rd feherd 447 150 12ms 31 Oct 2024 163rd kadamkaustubh 447 150 9ms 20 days ago 167th adamnielson42 🇺🇸 441 152 9ms 6 Oct 2024 167th voidgloom 441 152 10ms 22 Oct 2024 167th omero-san 441 152 9ms 22 Sep 2025 167th brochmann 🇸🇪 441 152 10ms 12 Oct 2025 171st denisfouchard 438 153 11ms 21 Aug 2025 172nd osNiko 🇧🇷 435 154 22ms 21 Aug 2025 173rd FortuiteMan 🇫🇷 432 155 16ms 16 Oct 2024 173rd celiendonze 🇨🇭 432 155 11ms 17 Oct 2025 175th Shotokhan 429 156 9ms 21 Sep 2025 176th lhulinsky 427 157 10ms 21 Oct 2024 177th ThatAlo 424 158 10ms 9 Dec 2024 178th webmiche 421 159 10ms 25 days ago 179th CheeseCake628 🇳🇴 419 160 99ms 5 Nov 2024 180th pres-abhisheksinha 416 161 9ms 8 Oct 2024 181st ibixina 414 162 10ms 13 Oct 2024 181st TheAtrossian 414 162 10ms 5 Jan 2025 183rd Vaekor 406 165 9ms 15 Dec 2024 184th JesseNoEyes 🇺🇸 396 169 10ms 1 Oct 2024 185th zyc-2024 🇨🇳 394 170 10ms 5 Oct 2024 186th ComputerKWasTaken 🇺🇸 392 171 9ms 14 Oct 2024 187th navier-1 387 173 10ms 22 Sep 2025 188th clayboll99 381 176 11ms 10 Jul 2025 189th Upload-and-View 🇺🇦 379 177 16ms 9 Aug 2025 190th OSYCh314 🇦🇺 376 178 11ms 2 Nov 2024 191st calum12345 372 180 10ms 26 Mar 2025 192nd zt14427 368 182 11ms 27 Dec 2024 193rd IoLimmer 366 183 11ms 10 Oct 2024 194th aksyristos 364 184 16ms 15 Nov 2024 195th estomagordo 🇳🇱 360 186 10ms 15 Jul 2025 196th gautambp 307 218 10ms 24 Jun 2025 197th Zhenyu-Bo 294 228 14ms 30 Jul 2025 198th EthanJantz 291 230 10ms 5 Sep 2025 199th RobertBurs 283 237 10ms 22 Sep 2025 200th TJK-S 278 241 9ms 25 Oct 2025 201st te-chnical 260 258 193ms 4 May 2025 202nd arebbsba 226 296 12ms 9 Jan 2025 203rd AidanWalter 124 540 9ms 1 Jan 2025 204th bignamehyp 100 667 9ms 14 Nov 2024 First Prev 151–204 of 204