Hash Function in Python with Tests

Hash Function holds 10 problems (4 Easy, 4 Medium, 2 Hard). Generate any of them into the current directory with lcpy gen -n <number>.

#	Problem	Difficulty	Solution
187	Repeated DNA Sequences	Medium	solution.py
214	Shortest Palindrome	Hard	solution.py
572	Subtree of Another Tree	Easy	solution.py
694	Number of Distinct Islands	Medium	solution.py
705	Design HashSet	Easy	solution.py
706	Design HashMap	Easy	solution.py
718	Maximum Length of Repeated Subarray	Medium	solution.py
1461	Check If a String Contains All Binary Codes of Size K	Medium	solution.py
3042	Count Prefix and Suffix Pairs I	Easy	solution.py
3045	Count Prefix and Suffix Pairs II	Hard	solution.py