Trivia Softwares Python Developer Intern Interview Questions and Answers

3 Questions of competitive programming any language of your choice and 2 MySQL queries. Total test time 2 hrs

Q1. Gave a problem for SQL query
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Q2. Gave a problem for python. She preferred Java more.
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Q3. Asked about projects
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Q1. Flexible at any shift? Flexible at any location?
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All went good asked mostly regarding age and english sentances

Q1. Tell me about yourself
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Q2. Project architecture
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Q3. Sns vs SQS architecture
Ans. 
SNS is a pub/sub messaging service while SQS is a message queue service in AWS architecture.
• SNS allows for push notifications to multiple subscribers, while SQS is used for decoupling services and handling asynchronous tasks.

• SNS is used for real-time messaging and event-driven architecture, while SQS is used for reliable message processing and scaling.

• SNS supports multiple message delivery protocols like HTTP, HTTPS, E...read more
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Q4. S3 file parking and triggers
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Q5. Explain Eventbridge
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Eventbridge is a serverless event bus service provided by AWS for connecting applications using events.
• Eventbridge allows different AWS services, SaaS applications, and custom applications to communicate with each other through events.

• It simplifies the process of building event-driven architectures by decoupling producers and consumers of events.

• Eventbridge can be used to trigger automated workflows, connect different ...read more
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Q1. Basic python questions
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Q2. SQL join query and update query
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Q1. Salary expectations
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Q2. Other basic questions
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Q1. Valid Sudoku leetcode problem
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Q2. Generate Parentheses leetcode problem
Ans. 
Generate all valid combinations of parentheses for given n pairs
• Use backtracking to generate all valid combinations of parentheses

• Keep track of the number of open and close parentheses used

• Add open parenthesis if there are remaining open parentheses, add close parenthesis if there are more open than close parentheses
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Q1. Difference between List and Array
Ans. 
List is a built-in Python data structure that can hold elements of different data types, while Array is a data structure from the NumPy library that can hold elements of the same data type.
• List is a dynamic array that can grow or shrink in size, while Array has a fixed size.

• List can hold elements of different data types, while Array can only hold elements of the same data type.

• List is a part of Python's standard librar...read more
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Q2. Types of renderer classes in DRF
Ans. 
DRF provides JSON, BrowsableAPI, TemplateHTML, and AdminRenderer classes for rendering responses.
• JSONRenderer: Renders data in JSON format.

• BrowsableAPIRenderer: Renders data in a browsable HTML format with forms for interacting with the API.

• TemplateHTMLRenderer: Renders data using a specified template in HTML format.

• AdminRenderer: Renders data in a format suitable for Django admin interface.
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Q3. What is Method Resolution Order?
Ans. 
Method Resolution Order (MRO) is the order in which classes are searched for a method or attribute in Python.
• MRO is determined by the C3 linearization algorithm in Python.

• It follows a depth-first left-to-right traversal of the class hierarchy.

• MRO is important in multiple inheritance scenarios to resolve method conflicts.

• Example: class A: pass class B(A): pass class C(A): pass class D(B, C)
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Q4. Difference between class method and static method.
Ans. 
Class method is bound to the class itself, while static method is not bound to any specific instance or class.
• Class method takes 'cls' as the first parameter, allowing access to class variables and methods.

• Static method does not take any special parameters and does not have access to class or instance variables.

• Class method can be called on both the class and instances of the class.

• Static method is mainly used for util...read more
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Q5. What are transactions in SQL?
Ans. 
Transactions in SQL are a way to ensure data integrity by grouping multiple SQL statements into a single unit of work.
• Transactions help maintain the ACID properties (Atomicity, Consistency, Isolation, Durability) of a database.

• They allow multiple SQL statements to be executed as a single unit, either all succeeding or all failing.

• Transactions can be started with BEGIN TRANSACTION, COMMIT to save changes, or ROLLBACK to...read more
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Write a code for star pattern

Basic coding question

Q1. Salary discussion
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Q2. Tell me something about company
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