Top PySpark Interview Questions on Employee and Department Datasets (with Examples) In this post, you'll find all possible PySpark questions and solutions based on the classic Employee and…
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Showing posts from June, 2025
Puzzle 17 - Flatten the list and Count the Occurrences
June 04, 2025
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Flatten a Nested List and Count Occurrences in Python You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s oka…
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Puzzle 16 - Flatten the list without Duplicates
June 04, 2025
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Flatten a Nested List and Remove Duplicates in Python You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s oka…
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Puzzle 15 - Non-Recursive List Unpacking(with duplicates)
June 04, 2025
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Flatten a Nested List in Python Without Recursion You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s okay. Y…
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