String in Python, Part 2

String holds 380 problems (100 Easy, 201 Medium, 79 Hard). Generate any of them into the current directory with lcpy gen -n <number>.

#	Problem	Difficulty	Solution
770	Basic Calculator IV	Hard	solution.py
771	Jewels and Stones	Easy	solution.py
772	Basic Calculator III	Hard	solution.py
777	Swap Adjacent in LR String	Medium	solution.py
784	Letter Case Permutation	Medium	solution.py
791	Custom Sort String	Medium	solution.py
792	Number of Matching Subsequences	Medium	solution.py
796	Rotate String	Easy	solution.py
800	Similar RGB Color	Easy	solution.py
804	Unique Morse Code Words	Easy	solution.py
806	Number of Lines To Write String	Easy	solution.py
809	Expressive Words	Medium	solution.py
811	Subdomain Visit Count	Medium	solution.py
816	Ambiguous Coordinates	Medium	solution.py
819	Most Common Word	Easy	solution.py
820	Short Encoding of Words	Medium	solution.py
821	Shortest Distance to a Character	Easy	solution.py
824	Goat Latin	Easy	solution.py
828	Count Unique Characters of All Substrings of a Given String	Hard	solution.py
830	Positions of Large Groups	Easy	solution.py
831	Masking Personal Information	Medium	solution.py
833	Find And Replace in String	Medium	solution.py
838	Push Dominoes	Medium	solution.py
839	Similar String Groups	Hard	solution.py
842	Split Array into Fibonacci Sequence	Medium	solution.py
843	Guess the Word	Hard	solution.py
844	Backspace String Compare	Easy	solution.py
848	Shifting Letters	Medium	solution.py
854	K-Similar Strings	Hard	solution.py
856	Score of Parentheses	Medium	solution.py
859	Buddy Strings	Easy	solution.py
880	Decoded String at Index	Medium	solution.py
884	Uncommon Words from Two Sentences	Easy	solution.py
890	Find and Replace Pattern	Medium	solution.py
893	Groups of Special-Equivalent Strings	Medium	solution.py
899	Orderly Queue	Hard	solution.py
902	Numbers At Most N Given Digit Set	Hard	solution.py
903	Valid Permutations for DI Sequence	Hard	solution.py
906	Super Palindromes	Hard	solution.py
916	Word Subsets	Medium	solution.py
917	Reverse Only Letters	Easy	solution.py
921	Minimum Add to Make Parentheses Valid	Medium	solution.py
925	Long Pressed Name	Easy	solution.py
926	Flip String to Monotone Increasing	Medium	solution.py
929	Unique Email Addresses	Easy	solution.py
936	Stamping The Sequence	Hard	solution.py
937	Reorder Data in Log Files	Medium	solution.py
940	Distinct Subsequences II	Hard	solution.py
942	DI String Match	Easy	solution.py
943	Find the Shortest Superstring	Hard	solution.py
944	Delete Columns to Make Sorted	Easy	solution.py
949	Largest Time for Given Digits	Medium	solution.py
953	Verifying an Alien Dictionary	Easy	solution.py
955	Delete Columns to Make Sorted II	Medium	solution.py
960	Delete Columns to Make Sorted III	Hard	solution.py
966	Vowel Spellchecker	Medium	solution.py
972	Equal Rational Numbers	Hard	solution.py
981	Time Based Key-Value Store	Medium	solution.py
984	String Without AAA or BBB	Medium	solution.py
988	Smallest String Starting From Leaf	Medium	solution.py
990	Satisfiability of Equality Equations	Medium	solution.py
1002	Find Common Characters	Easy	solution.py
1028	Recover a Tree From Preorder Traversal	Hard	solution.py
1041	Robot Bounded In Circle	Medium	solution.py
1048	Longest String Chain	Medium	solution.py
1055	Shortest Way to Form String	Medium	solution.py
1058	Minimize Rounding Error to Meet Target	Medium	solution.py
1071	Greatest Common Divisor of Strings	Easy	solution.py
1079	Letter Tile Possibilities	Medium	solution.py
1087	Brace Expansion	Medium	solution.py
1092	Shortest Common Supersequence	Hard	solution.py
1100	Find K-Length Substrings With No Repeated Characters	Medium	solution.py
1106	Parsing A Boolean Expression	Hard	solution.py
1143	Longest Common Subsequence	Medium	solution.py
1152	Analyze User Website Visit Pattern	Medium	solution.py
1160	Find Words That Can Be Formed by Characters	Easy	solution.py
1165	Single-Row Keyboard	Easy	solution.py
1166	Design File System	Medium	solution.py
1180	Count Substrings with Only One Distinct Letter	Easy	solution.py
1189	Maximum Number of Balloons	Easy	solution.py
1190	Reverse Substrings Between Each Pair of Parentheses	Medium	solution.py
1208	Get Equal Substrings Within Budget	Medium	solution.py
1209	Remove All Adjacent Duplicates in String II	Medium	solution.py
1216	Valid Palindrome III	Hard	solution.py
1233	Remove Sub-Folders from the Filesystem	Medium	solution.py
1236	Web Crawler	Medium	solution.py
1239	Maximum Length of a Concatenated String with Unique Characters	Medium	solution.py
1249	Minimum Remove to Make Valid Parentheses	Medium	solution.py
1255	Maximum Score Words Formed by Letters	Hard	solution.py
1258	Synonymous Sentences	Medium	solution.py
1268	Search Suggestions System	Medium	solution.py
1358	Number of Substrings Containing All Three Characters	Medium	solution.py
1371	Find the Longest Substring Containing Vowels in Even Counts	Medium	solution.py
1396	Design Underground System	Medium	solution.py
1400	Construct K Palindrome Strings	Medium	solution.py
1405	Longest Happy String	Medium	solution.py
1408	String Matching in an Array	Easy	solution.py
1415	The k-th Lexicographical String of All Happy Strings of Length n	Medium	solution.py
1422	Maximum Score After Splitting a String	Easy	solution.py
1427	Perform String Shifts	Easy	solution.py
1436	Destination City	Easy	solution.py
1456	Maximum Number of Vowels in a Substring of Given Length	Medium	solution.py
1461	Check If a String Contains All Binary Codes of Size K	Medium	solution.py
1496	Path Crossing	Easy	solution.py
1531	String Compression II	Hard	solution.py
1544	Make The String Great	Easy	solution.py
1545	Find Kth Bit in Nth Binary String	Medium	solution.py
1578	Minimum Time to Make Rope Colorful	Medium	solution.py
1593	Split a String Into the Max Number of Unique Substrings	Medium	solution.py
1598	Crawler Log Folder	Easy	solution.py
1614	Maximum Nesting Depth of the Parentheses	Easy	solution.py
1624	Largest Substring Between Two Equal Characters	Easy	solution.py
1639	Number of Ways to Form a Target String Given a Dictionary	Hard	solution.py
1647	Minimum Deletions to Make Character Frequencies Unique	Medium	solution.py
1653	Minimum Deletions to Make String Balanced	Medium	solution.py
1662	Check If Two String Arrays are Equivalent	Easy	solution.py
1684	Count the Number of Consistent Strings	Easy	solution.py
1717	Maximum Score From Removing Substrings	Medium	solution.py
1750	Minimum Length of String After Deleting Similar Ends	Medium	solution.py
1758	Minimum Changes To Make Alternating Binary String	Easy	solution.py
1768	Merge Strings Alternately	Easy	solution.py
1769	Minimum Number of Operations to Move All Balls to Each Box	Medium	solution.py
1790	Check if One String Swap Can Make Strings Equal	Easy	solution.py
1813	Sentence Similarity III	Medium	solution.py
1849	Splitting a String Into Descending Consecutive Values	Medium	solution.py
1857	Largest Color Value in a Directed Graph	Hard	solution.py
1871	Jump Game VII	Medium	solution.py
1888	Minimum Number of Flips to Make the Binary String Alternating	Medium	solution.py
1897	Redistribute Characters to Make All Strings Equal	Easy	solution.py
1898	Maximum Number of Removable Characters	Medium	solution.py
1903	Largest Odd Number in String	Easy	solution.py
1930	Unique Length-3 Palindromic Subsequences	Medium	solution.py
1963	Minimum Number of Swaps to Make the String Balanced	Medium	solution.py
1980	Find Unique Binary String	Medium	solution.py
1985	Find the Kth Largest Integer in the Array	Medium	solution.py
2002	Maximum Product of the Length of Two Palindromic Subsequences	Medium	solution.py
2038	Remove Colored Pieces if Both Neighbors are the Same Color	Medium	solution.py
2053	Kth Distinct String in an Array	Easy	solution.py
2096	Step-By-Step Directions From a Binary Tree Node to Another	Medium	solution.py
2108	Find First Palindromic String in the Array	Easy	solution.py
2109	Adding Spaces to a String	Medium	solution.py
2115	Find All Possible Recipes from Given Supplies	Medium	solution.py
2116	Check if a Parentheses String Can Be Valid	Medium	solution.py
2125	Number of Laser Beams in a Bank	Medium	solution.py
2147	Number of Ways to Divide a Long Corridor	Hard	solution.py
2182	Construct String With Repeat Limit	Medium	solution.py
2185	Counting Words With a Given Prefix	Easy	solution.py
2264	Largest 3-Same-Digit Number in String	Easy	solution.py
2306	Naming a Company	Hard	solution.py
2353	Design a Food Rating System	Medium	solution.py
2370	Longest Ideal Subsequence	Medium	solution.py
2375	Construct Smallest Number From DI String	Medium	solution.py
2379	Minimum Recolors to Get K Consecutive Black Blocks	Easy	solution.py
2381	Shifting Letters II	Medium	solution.py
2390	Removing Stars From a String	Medium	solution.py
2405	Optimal Partition of String	Medium	solution.py
2416	Sum of Prefix Scores of Strings	Hard	solution.py
2418	Sort the People	Easy	solution.py
2483	Minimum Penalty for a Shop	Medium	solution.py
2486	Append Characters to String to Make Subsequence	Medium	solution.py
2490	Circular Sentence	Easy	solution.py
2516	Take K of Each Character From Left and Right	Medium	solution.py
2559	Count Vowel Strings in Ranges	Medium	solution.py
2678	Number of Senior Citizens	Easy	solution.py
2696	Minimum String Length After Removing Substrings	Easy	solution.py
2707	Extra Characters in a String	Medium	solution.py
2864	Maximum Odd Binary Number	Easy	solution.py
2914	Minimum Number of Changes to Make Binary String Beautiful	Medium	solution.py
2938	Separate Black and White Balls	Medium	solution.py
2976	Minimum Cost to Convert String I	Medium	solution.py
3016	Minimum Number of Pushes to Type Word II	Medium	solution.py
3042	Count Prefix and Suffix Pairs I	Easy	solution.py
3043	Find the Length of the Longest Common Prefix	Medium	solution.py
3045	Count Prefix and Suffix Pairs II	Hard	solution.py
3110	Score of a String	Easy	solution.py
3174	Clear Digits	Easy	solution.py
3223	Minimum Length of String After Operations	Medium	solution.py
3306	Count of Substrings Containing Every Vowel and K Consonants II	Medium	solution.py
3442	Maximum Difference Between Even and Odd Frequency I	Easy	solution.py
3481	Apply Substitutions	Medium	solution.py

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String in Python, Part 2