Simulation in Python with Tests

Simulation holds 65 problems (27 Easy, 32 Medium, 6 Hard). Generate any of them into the current directory with lcpy gen -n <number>.

#	Problem	Difficulty	Solution
43	Multiply Strings	Medium	solution.py
54	Spiral Matrix	Medium	solution.py
59	Spiral Matrix II	Medium	solution.py
67	Add Binary	Easy	solution.py
68	Text Justification	Hard	solution.py
157	Read N Characters Given Read4	Easy	solution.py
158	Read N Characters Given read4 II - Call Multiple Times	Hard	solution.py
258	Add Digits	Easy	solution.py
289	Game of Life	Medium	solution.py
348	Design Tic-Tac-Toe	Medium	solution.py
353	Design Snake Game	Medium	solution.py
412	Fizz Buzz	Easy	solution.py
415	Add Strings	Easy	solution.py
495	Teemo Attacking	Easy	solution.py
498	Diagonal Traverse	Medium	solution.py
537	Complex Number Multiplication	Medium	solution.py
544	Output Contest Matches	Medium	solution.py
566	Reshape the Matrix	Easy	solution.py
592	Fraction Addition and Subtraction	Medium	solution.py
640	Solve the Equation	Medium	solution.py
657	Robot Return to Origin	Easy	solution.py
682	Baseball Game	Easy	solution.py
723	Candy Crush	Medium	solution.py
735	Asteroid Collision	Medium	solution.py
749	Contain Virus	Hard	solution.py
755	Pour Water	Medium	solution.py
832	Flipping an Image	Easy	solution.py
844	Backspace String Compare	Easy	solution.py
867	Transpose Matrix	Easy	solution.py
874	Walking Robot Simulation	Medium	solution.py
885	Spiral Matrix III	Medium	solution.py
946	Validate Stack Sequences	Medium	solution.py
950	Reveal Cards In Increasing Order	Medium	solution.py
985	Sum of Even Numbers After Queries	Medium	solution.py
999	Available Captures for Rook	Easy	solution.py
1041	Robot Bounded In Circle	Medium	solution.py
1094	Car Pooling	Medium	solution.py
1243	Array Transformation	Easy	solution.py
1260	Shift 2D Grid	Easy	solution.py
1518	Water Bottles	Easy	solution.py
1545	Find Kth Bit in Nth Binary String	Medium	solution.py
1603	Design Parking System	Easy	solution.py
1688	Count of Matches in Tournament	Easy	solution.py
1700	Number of Students Unable to Eat Lunch	Easy	solution.py
1701	Average Waiting Time	Medium	solution.py
1823	Find the Winner of the Circular Game	Medium	solution.py
1929	Concatenation of Array	Easy	solution.py
2022	Convert 1D Array Into 2D Array	Easy	solution.py
2028	Find Missing Observations	Medium	solution.py
2073	Time Needed to Buy Tickets	Easy	solution.py
2109	Adding Spaces to a String	Medium	solution.py
2149	Rearrange Array Elements by Sign	Medium	solution.py
2161	Partition Array According to Given Pivot	Medium	solution.py
2181	Merge Nodes in Between Zeros	Medium	solution.py
2257	Count Unguarded Cells in the Grid	Medium	solution.py
2326	Spiral Matrix IV	Medium	solution.py
2390	Removing Stars From a String	Medium	solution.py
2402	Meeting Rooms III	Hard	solution.py
2460	Apply Operations to an Array	Easy	solution.py
2534	Time Taken to Cross the Door	Hard	solution.py
2558	Take Gifts From the Richest Pile	Easy	solution.py
2696	Minimum String Length After Removing Substrings	Easy	solution.py
2751	Robot Collisions	Hard	solution.py
3174	Clear Digits	Easy	solution.py
3264	Final Array State After K Multiplication Operations I	Easy	solution.py

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Simulation in Python with Tests