✨ Update folder names and readme

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/

README.md

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-# Code Challenges
+# Code Katas
+
+Search / Filter solutions [here](https://code-katas.now.sh/)
+
+# Episodes
+
+## [Episode 23](./episode_023)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=c_EREn-eF5s)
+
+* [remove-the-minimum](./episode_023/remove-the-minimum.js) - 7 kyu
+* [rot13](./episode_023/rot13.js) - 5 kyu
+* [strip-comments](./episode_023/strip-comments.js) - 4 kyu
+* [title-case](./episode_023/title-case.js) - 6 kyu
+
+## [Episode 22](./episode_022)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=xgW-due5ukM)
+
+* [delete-occurrences-of-an-element-if-it-occurs-more-than-n-times](./episode_022/delete-occurrences-of-an-element-if-it-occurs-more-than-n-times.js) - 6 kyu
+* [regex-validate-pin-code](./episode_022/regex-validate-pin-code.js) - 7 kyu
+* [tic-tac-toe-checker](./episode_022/tic-tac-toe-checker.js) - 5 kyu
+* [vector-class](./episode_022/vector-class.js) - 5 kyu
+
+## [Episode 21](./episode_021)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=LiD9TT--F5Y)
+
+* [did-i-finish-my-sudoku](./episode_021/did-i-finish-my-sudoku.js) - 5 kyu
+* [distributing-candies](./episode_021/distributing-candies.js) - ??? kyu
+* [vasya-clerk](./episode_021/vasya-clerk.js) - 6 kyu
+
+## [Episode 20](./episode_020)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=NGcsIUBKHiI)
+
+* [halloween-sweets](./episode_020/halloween-sweets.js) - 5 kyu
+* [pirate-code](./episode_020/pirate-code.js) - 7 kyu
+* [trick-or-treat](./episode_020/trick-or-treat.js) - ??? kyu
+
+## [Episode 19](./episode_019)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=EyyiM71-r18)
+
+* [bouncing-balls](./episode_019/bouncing-balls.js) - 6 kyu
+* [most-consecutive-zeros](./episode_019/most-consecutive-zeros.js) - ??? kyu
+* [number-combos](./episode_019/number-combos.js) - ??? kyu
+* [pascalcase-into-snake-case](./episode_019/pascalcase-into-snake-case.js) - ??? kyu
+* [sum-of-a-sequence](./episode_019/sum-of-a-sequence.js) - 7 kyu
+
+## [Episode 18](./episode_018)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=qqznbb9xJa4)
+
+* [friend-or-foe](./episode_018/friend-or-foe.js) - 7 kyu
+* [greed-is-good](./episode_018/greed-is-good.js) - 5 kyu
+* [math-issues](./episode_018/math-issues.js) - 5 kyu
+* [scratch](./episode_018/scratch.js) - ??? kyu
+* [which-are-in](./episode_018/which-are-in.js) - 6 kyu
+
+## [Episode 17](./episode_017)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=jFJGnX-q0Tc)
+
+* [double-cola](./episode_017/double-cola.js) - 5 kyu
+* [exponential-comparison](./episode_017/exponential-comparison.js) - 6 kyu
+* [ones-and-zeros](./episode_017/ones-and-zeros.js) - 7 kyu
+* [square-every-digit](./episode_017/square-every-digit.js) - 7 kyu
+
+## [Episode 16](./episode_016)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=BKBZLZ50xh8)
+
+* [message-from-alca](./episode_016/message-from-alca.js) - ??? kyu
+* [replace-with-alphabet-position](./episode_016/replace-with-alphabet-position.js) - 6 kyu
+* [valid-parentheses](./episode_016/valid-parentheses.js) - 5 kyu
+* [youre-a-square](./episode_016/youre-a-square.js) - 7 kyu
+
+## [Episode 15](./episode_015)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=R49EFycGF3s)
+
+* [dont-rely-on-luck](./episode_015/dont-rely-on-luck.js) - 6 kyu
+* [find-the-capitals](./episode_015/find-the-capitals.js) - 7 kyu
+* [range-extraction](./episode_015/range-extraction.js) - 4 kyu
+* [the-hashtag-generator](./episode_015/the-hashtag-generator.js) - 5 kyu
+
+## [Episode 14](./episode_014)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=dE5TV-TGfEo)
+
+* [duplicateEncode](./episode_014/duplicateEncode.js) - ??? kyu
+* [memoizeFibonacci](./episode_014/memoizeFibonacci.js) - ??? kyu
+* [snail](./episode_014/snail.js) - 4 kyu
+* [twoToOne](./episode_014/twoToOne.js) - ??? kyu
+
+## [Episode 13](./episode_013)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=_xud7qSXkOw)
+
+* [firstNonRepeatingCharacter](./episode_013/firstNonRepeatingCharacter.js) - ??? kyu
+* [parity-outlier](./episode_013/parity-outlier.js) - ??? kyu
+* [printer-errors](./episode_013/printer-errors.js) - 7 kyu
+* [series-sum](./episode_013/series-sum.js) - ??? kyu
+
+## [Episode 12](./episode_012)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=Ozp_PY1OOnw)
+
+* [format-string-names](./episode_012/format-string-names.js) - ??? kyu
+* [pagination-helper](./episode_012/pagination-helper.js) - ??? kyu
+* [sum-of-odd-numbers](./episode_012/sum-of-odd-numbers.js) - 7 kyu
+
+## [Episode 11](./episode_011)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=bPTonTi42ic)
+
+* [counting-duplicates](./episode_011/counting-duplicates.js) - 6 kyu
+* [square-digits](./episode_011/square-digits.js) - ??? kyu
+* [weight-for-weight](./episode_011/weight-for-weight.js) - 5 kyu
+
+## [Episode 10](./episode_010)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=6eoqEYc5SGI)
+
+* [find-divisors](./episode_010/find-divisors.js) - ??? kyu
+* [pete-the-baker](./episode_010/pete-the-baker.js) - 5 kyu
+* [spinning-words](./episode_010/spinning-words.js) - ??? kyu
+
+## [Episode 9](./episode_009)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=0atKorB6tAI)
+
+* [character-recognition-mistakes](./episode_009/character-recognition-mistakes.js) - ??? kyu
+* [narcissistic-numbers](./episode_009/narcissistic-numbers.js) - 7 kyu
+* [nested-structure-compare](./episode_009/nested-structure-compare.js) - ??? kyu
+* [regex-password](./episode_009/regex-password.js) - ??? kyu
+
+## [Episode 8](./episode_008)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=M_K7azm9i6o)
+
+* [are-they-the-same](./episode_008/are-they-the-same.js) - 6 kyu
+* [growth-population](./episode_008/growth-population.js) - ??? kyu
+* [rot13](./episode_008/rot13.js) - 5 kyu
+* [twice-linear](./episode_008/twice-linear.js) - 4 kyu
+* [your-order-please](./episode_008/your-order-please.js) - 6 kyu
+
+## [Episode 7](./episode_007)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=O5DmKHgFwjE)
+
+* [anagrams](./episode_007/anagrams.js) - null
+* [camel-case](./episode_007/camel-case.js) - ??? kyu
+* [categorize-new-member](./episode_007/categorize-new-member.js) - 7 kyu
+* [isogram](./episode_007/isogram.js) - ??? kyu
+* [multiples-of-3-and-5](./episode_007/multiples-of-3-and-5.js) - ??? kyu
+* [priori-incantatem](./episode_007/priori-incantatem.js) - 4 kyu
+* [rgb-to-hex](./episode_007/rgb-to-hex.js) - ??? kyu
+
+## [Episode 6](./episode_006)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=mwoA9wjp7ec)
+
+* [calculating-with-functions](./episode_006/calculating-with-functions.js) - 5 kyu
+* [digital-root](./episode_006/digital-root.js) - ??? kyu
+* [dubstep](./episode_006/dubstep.js) - 6 kyu
+* [odd-int](./episode_006/odd-int.js) - ??? kyu
+* [reverse-polish-notation](./episode_006/reverse-polish-notation.js) - null
+* [sum-of-numbers](./episode_006/sum-of-numbers.js) - null
+* [zeros-to-end](./episode_006/zeros-to-end.js) - ??? kyu
+
+## [Episode 5](./episode_005)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=S-h_tfwHQAQ)
+
+* [createPhoneNumber](./episode_005/createPhoneNumber.js) - ??? kyu
+* [credit-card-mask](./episode_005/credit-card-mask.js) - 7 kyu
+* [equal-sides-sum](./episode_005/equal-sides-sum.js) - ??? kyu
+* [palindromeChainLength](./episode_005/palindromeChainLength.js) - ??? kyu
+* [roman-numerals-encoder](./episode_005/roman-numerals-encoder.js) - 6 kyu
+* [sum-of-two-lowest](./episode_005/sum-of-two-lowest.js) - ??? kyu
+
+## [Episode 4](./episode_004)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=2ld5ndNkF2Q)
+
+* [count-the-smiley-faces](./episode_004/count-the-smiley-faces.js) - 6 kyu
+* [human-readable-time](./episode_004/human-readable-time.js) - 5 kyu
+* [list-filtering](./episode_004/list-filtering.js) - 7 kyu
+* [maximum-subarray-sum](./episode_004/maximum-subarray-sum.js) - 5 kyu
+* [scramblies](./episode_004/scramblies.js) - 5 kyu
+* [sum-strings-as-numbers](./episode_004/sum-strings-as-numbers.js) - 4 kyu
+
+## [Episode 3](./episode_003)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=Ms7L-aVN4Hc)
+
+* [dna-compliment](./episode_003/dna-compliment.js) - ??? kyu
+* [iq-test](./episode_003/iq-test.js) - 6 kyu
+* [pig-latin](./episode_003/pig-latin.js) - null
+* [take-a-ten-minute-walk](./episode_003/take-a-ten-minute-walk.js) - 6 kyu
+* [vowel-count](./episode_003/vowel-count.js) - 7 kyu
+
+## [Episode 2](./episode_002)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=fH4w_xq2qao)
+
+* [exes-os](./episode_002/exes-os.js) - ??? kyu
+* [fat-fingers](./episode_002/fat-fingers.js) - 6 kyu
+* [jaden-case](./episode_002/jaden-case.js) - ??? kyu
+* [sum-pairs](./episode_002/sum-pairs.js) - ??? kyu
+
+## [Episode 1](./episode_001)
+
+[Watch on YouTube](https://www.youtube.com/watch?v=Oq7r8metsD8)
+
+* [accum](./episode_001/accum.js) - ??? kyu
+* [binary-addition](./episode_001/binary-addition.js) - 7 kyu
+* [century-from-year](./episode_001/century-from-year.js) - 8 kyu
+* [final-grade](./episode_001/final-grade.js) - ??? kyu
+* [morse-code](./episode_001/morse-code.js) - ??? kyu

episode_000/README.md

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+![](https://i.imgur.com/nm3ulgm.jpg)