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Interview Questions

Real questions from top companies in Python/Coding

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
101

Implement a recursive algorithm to find the nth Fibonacci number.

Python/Codinghardpartition0.6 min read
Goldman Sachs
β†’
102

Implement an algorithm to find the longest common prefix among an array of strings.

Python/Codingmediumpartitionspark0.6 min read
Disney+ Hotstar
β†’
103

Implement an algorithm to find the longest ordered subsequence of vowels in a given string.

Python/Codinghardspark0.6 min read
Expedia
β†’
104

List Comprehension - example

Python/Codingeasy0.7 min read
LTIMindtree
β†’
105

List customers with more than 5 orders.

Python/Codingmediumjoinpartitionspark0.6 min read
Comcast
β†’
106

List every combination of dept_name, employee_name, and city such that the employee belongs to the department and the same city in which the department is located.

Python/Codingmediumjoin0.6 min read
Freight Tiger
β†’
107

Modify a word count script to output results in descending frequency order.

Python/Codinghardspark0.5 min read
Impetus
β†’
108

Multiprocessing in Python - explain with example

Python/Codinghardpartitionpythonwindow0.5 min read
NAB
β†’
109

Multithreading and Synchronization in Java - write code to manage synchronized threads

Python/Codingmediumpartition0.5 min read
Walmart
β†’
110

Optimize a function to calculate moving averages of user engagement.

Python/Codinghardoptimizationsparkwindow0.5 min read
Disney+ Hotstar
β†’
111

Partitioning a Linked List based on a value

Python/Codinghardpartitionspark0.6 min read
Walmart
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112

Priority Queue Problem - task prioritization and dynamic sorting

Python/Codinghardairflow0.5 min read
PayPal
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113

Problem based on lists operations

Python/Codingeasy0.5 min read
McKinsey
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114

Programming languages and their application in past projects.

Python/Codinghardairflowetlpython0.6 min read
ZS Associates
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115

Python Code Using Constructors in a Class

Python/Codingeasypython0.5 min read
Tech Mahindra
β†’
116

Python Script to Insert and Delete an Element Without Using insert() or pop()

Python/Codingeasyetlpython0.4 min read
JIO
β†’
117

Python libraries - Pandas, NumPy, Matplotlib for data processing

Python/Codingeasyetlpythonspark0.5 min read
Nihilent
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118

Python list operations.

Python/Codingeasypython0.4 min read
Comcast
β†’
119

Read data from three files into a Pandas DataFrame, perform transformations, remove columns, filter rows, search for strings

Python/Codingeasyetl0.5 min read
JP Morgan
β†’
120

Replace words and perform string operations in Python (replace, vowel removal, word count, pattern check).

Python/Codingmediumjoinpython0.4 min read
Incedo
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