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Python is a high-level programming language known for its simplicity and readability.
Python is an interpreted language, meaning code is executed line by line.
It supports multiple programming paradigms like object-oriented, imperative, and functional programming.
Python has a large standard library and a thriving community with numerous third-party libraries.
Popular frameworks like Django and Flask are built using Python...
Object-oriented programming concepts that focus on classes and objects.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Ability of a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary features.
Aptitude test questions
Machine learning is a branch of artificial intelligence that involves developing algorithms and models that can learn from and make predictions or decisions based on data.
Machine learning is a subset of artificial intelligence that focuses on developing algorithms that can learn from and make predictions or decisions based on data.
It involves training models on large datasets to recognize patterns and make predictions ...
An example of machine learning is training a model to predict customer churn in a telecom company.
Collect and preprocess data on customer behavior and churn
Split data into training and testing sets
Choose a machine learning algorithm (e.g. logistic regression)
Train the model on the training data
Evaluate the model's performance on the testing data
Use the model to predict customer churn in the future
Aptitude test questions
Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.
AI involves machines performing tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.
Machine learning is a subset of AI that allows machines to learn from data and improve their performance over time.
Examples of AI include...
There are three types of artificial intelligence: narrow AI, general AI, and superintelligent AI.
Narrow AI, also known as weak AI, is designed for a specific task or set of tasks, such as facial recognition or language translation.
General AI, also known as strong AI, is able to perform any intellectual task that a human can do.
Superintelligent AI is hypothetical and would surpass human intelligence in every way.
Example...
I applied via Company Website and was interviewed in Dec 2024. There was 1 interview round.
A Python program using historical stock data and algorithms to determine the best price for selling stocks.
Use historical stock data to analyze trends and patterns
Implement algorithms like moving averages or RSI to predict stock price movements
Consider factors like volume, volatility, and market sentiment
Optimize the program for real-time data updates and accurate predictions
Program to check if two words are anagrams without using built-in functions
Create a function that takes in two strings as input
Convert both strings to lists of characters
Sort the lists of characters
Check if the sorted lists are equal to determine if the words are anagrams
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
Fundamental questions regarding Python and Django.
I have been working as a Python Software Developer for the past 3 years in a tech company.
Developed and maintained Python applications for data analysis and visualization.
Collaborated with cross-functional teams to design and implement new features.
Optimized code for performance and scalability.
Utilized Django framework for web development projects.
Implemented automated testing to ensure code quality and reliability.
I faced challenges with optimizing code performance and resolved them through code refactoring and using efficient data structures.
Identified bottlenecks in the code by profiling and analyzing performance metrics
Refactored code to improve efficiency and reduce execution time
Utilized data structures like dictionaries and sets for faster data retrieval
Implemented caching mechanisms to store and reuse computed results
I was interviewed in Dec 2024.
You can capitalize a string in Python without using built-in functions by manually converting each character to uppercase.
Iterate through each character in the string
Check if the character is a lowercase letter using ASCII values
Subtract 32 from the ASCII value to convert it to uppercase
Join the characters back together to form the capitalized string
Infosys interview questions for designations
Get interview-ready with Top Infosys Interview Questions
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Basic python coding data type related coding
Developed a web application for tracking inventory and sales data
Used Python Django framework for backend development
Implemented RESTful APIs for communication between frontend and backend
Utilized JavaScript and HTML/CSS for frontend development
Various tools used for Python development
IDEs: PyCharm, Visual Studio Code, Jupyter Notebook
Version Control: Git, GitHub
Testing: pytest, unittest
Package Management: pip, conda
Database: SQLite, MySQL, PostgreSQL
Longest palandrome series question and duplicate element in the array question and target sum in the array
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
Question answer and reading test
Group discussion and communication skills
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The duration of Infosys Python Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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