HackerRank整理
===
# Easy
- [Dynamic Array](/9yKQM5ZVQu6LgsoH_FEd1g)
- [Super Reduced String](/I2B7l8qeTjie_BU5MmsD_Q)
- [Time Conversion](/DiKY8J_uQaeWi91TOIO4tw)
- [Array Manipulation](/HZ52WzaITRaKvxSYPjQzSg)
- [Validating phone numbers](/R4579-nkTLWxT998MJmzfA)
- [sWAP cASE](/LthVFW5iSJaKQenrwom1oQ)
- [Validating Roman Numerals](/Zi1wHj8UQmeMOtr9UrhfXw)
- [Re.findall() & Re.finditer](/CQxxQ0aeSMq_lYRgtzAIGw)
- [Re.start() & Re.end()](/Nqx6aI-5RQqNQgnTSFhkdw)
- [Nested Lists](/nPOV_cmwQjeExdpgvN8gPw)
- [Find the Runner-Up Score!](/Rtvydg-dTKygYgEbyr__vw)
- [Compare the Triplets](/8bCkCD4iQ3WsLZLIdleqzw)
- [List Comprehension](/N8uuR09lSGWWU37tGSmbbA)
# Meium
- [Cycle Detection](/YLV7W8N-TAqbZEv5wwqqJw)
- [Regex Substitution](/1BihKS60Qn-FxLLqlIsakw)
# Hard
- [Array Manipulation](/HZ52WzaITRaKvxSYPjQzSg)
- [Matrix Script](/Pu8lFd0QQfmkHScXTGaYCw)
###### tags: `HackerRank` `python`
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