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Challenge 9: Union and Intersection of Lists Using Hashing

Challenge 9: Union and Intersection of Lists Using Hashing

Given the two lists, find the union and intersection of their elements using hashing. Solve this exercise and see if your output matches the expected output.

Problem statement

Union and intersection are two of the most popular operations, which can be performed on data sets. Now, you will be implementing them for linked lists! Let’s take a look at their definitions.

Union

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