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Interview Questions

Real questions from top companies Β· easy

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
181

What would you do if a critical data pipeline failed during a holiday?

System Design/Architectureeasy2 min read
Paytm
β†’
182

Can you give an example of processing nested JSON data using these functions?

Python/Codingeasyspark2 min read
TCS
β†’
183

Concatenating lists within a range using list comprehensions

Python/Codingeasy2 min read
Tiger Analytics
β†’
184

Convert a Binary Search Tree (BST) into a skewed tree in either increasing or decreasing order

Python/Codingeasy3 min read
JP Morgan
β†’
185

Convert a sorted array into a Binary Search Tree

Python/Codingeasy2 min read
McKinsey
β†’
186

Convert the list [1, [2, 3], 4, 5, 6, [7, 8, 9]] to a single list [1, 2, 3, 4, 5, 6, 7, 8, 9].

Python/Codingeasy2 min read
Cognizant
β†’
187

Count of Alphabets in String

Python/Codingeasy2 min read
LTIMindtree
β†’
188

Create a dictionary with list elements as keys and their occurrences as values.

Python/Codingeasy2 min read
Gartner
β†’
189

Create a function to detect anomalies in sales trends using Pandas and NumPy.

Python/Codingeasy2 min read
Adidas
β†’
190

Create a script to parse and transform a JSON file into a structured CSV.

Python/Codingeasy2 min read
BCG
β†’
191

DSA: Array-based problem - brute-force and optimized solutions

Python/Codingeasy2 min read
media.net
β†’
192

Describe script implementation and deployment.

Python/Codingeasy2 min read
Ford
β†’
193

Detect a loop in a singly linked list

Python/Codingeasy2 min read
McKinsey
β†’
194

Develop a Python script to clean data by removing duplicates and handling missing values.

Python/Codingeasypython2 min read
Fragma Data Systems
β†’
195

Differences between Stack, Queue, and Linked List

Python/Codingeasy2 min read
ZS Associates
β†’
196

Discuss the tech stacks and responsibilities at Morgan Stanley

Python/Codingeasypythonsparksql2 min read
Meesho
β†’
197

Explain Lambda functions in Python.

Python/Codingeasypython1 min read
Gartner
β†’
198

Explain Stack vs Unstack and their use in data transformation.

Python/Codingeasy2 min read
Fractal
β†’
199

Explain and implement Semaphore in Java

Python/Codingeasy2 min read
Walmart
β†’
200

Explain techniques for ensuring data quality in cross-functional team scenarios

Python/Codingeasy2 min read
Nihilent
β†’

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