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Data engineering interview questions · hard
What is the difference between a generator and a list in Python?
Can you explain the concept of polymorphism and inheritance in Java with examples?
Coin Change Problem - minimum number of coins required to make change
Count occurrences of elements in a list of tuples using Spark RDDs
Design a solution to generate unique device names from a list of IoT devices.
Design an algorithm to merge k sorted lists of video streaming data.
Difference between Stack vs Queue
Explain your approach to designing a scalable customer loyalty program data platform.
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