Ordered Set in Python with Tests

Ordered Set holds 25 problems (8 Medium, 17 Hard). Generate any of them into the current directory with lcpy gen -n <number>.

#	Problem	Difficulty	Solution
218	The Skyline Problem	Hard	solution.py
220	Contains Duplicate III	Hard	solution.py
315	Count of Smaller Numbers After Self	Hard	solution.py
327	Count of Range Sum	Hard	solution.py
352	Data Stream as Disjoint Intervals	Hard	solution.py
363	Max Sum of Rectangle No Larger Than K	Hard	solution.py
456	132 Pattern	Medium	solution.py
493	Reverse Pairs	Hard	solution.py
635	Design Log Storage System	Medium	solution.py
683	K Empty Slots	Hard	solution.py
699	Falling Squares	Hard	solution.py
715	Range Module	Hard	solution.py
716	Max Stack	Hard	solution.py
729	My Calendar I	Medium	solution.py
731	My Calendar II	Medium	solution.py
732	My Calendar III	Hard	solution.py
850	Rectangle Area II	Hard	solution.py
855	Exam Room	Medium	solution.py
895	Maximum Frequency Stack	Hard	solution.py
975	Odd Even Jump	Hard	solution.py
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Medium	solution.py
1675	Minimize Deviation in Array	Hard	solution.py
2021	Brightest Position on Street	Medium	solution.py
2251	Number of Flowers in Full Bloom	Hard	solution.py
2353	Design a Food Rating System	Medium	solution.py