Albanero Data Analyst Interview Questions and Answers

2 questions based on coding

Q1. Reverse a string
Ans. 
Reverse a given string
• Use built-in functions like reverse() or slice() in Python

• Iterate through the string in reverse order and append each character to a new string

• Convert the string to an array of characters, reverse the array, then join the characters back together
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Q2. Linked list in java
Ans. 
A linked list is a data structure in Java where each element points to the next element in the list.
• Linked list nodes contain data and a reference to the next node

• Insertion and deletion operations are efficient in linked lists

• Traversal requires iterating through each node starting from the head

• Example: Node class with data and next pointer, LinkedList class with methods to insert, delete, and traverse
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Questions related to web development and quantitative aptitude. It was one hour test. Based on the score of this test, the position is allotted to you for which you are eligible to give the interview.

Coding round didn't had compilers and I had to write the pseudo code for the given problems. Few DSA and SQL questions were there in this round.

Q1. This round was with the CEO of the company. He asked me to introduce myself and later switch to technical questions. He gave me a problem based on nested-dictionary type of thing and also few SQL queries t...read more
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