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Python 3.9 introduces new features like dictionary merge operator, type hinting improvements, and more.
Introduction of dictionary merge operator (|) for merging dictionaries easily
Improvements in type hinting with the introduction of TypedDict and Literal types
Performance improvements with faster parsing of f-strings
New syntax features like the removal of the 'u' prefix for Unicode literals
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object)
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Top trending discussions
posted on 11 Mar 2015
BST is a binary tree where left child is smaller and right child is greater. Add/delete ops maintain this property.
BST is a data structure used for searching, sorting, and storing data
Add operation: Traverse the tree and find the appropriate position to insert the new node
Delete operation: Find the node to be deleted, replace it with its inorder successor or predecessor, and delete the successor/predecessor node
Time co...
Copy a linked list with random pointers to random nodes in the list.
Create a new node for each node in the original list
Map the original nodes to their corresponding new nodes
Copy the value of the original node to the new node
Copy the random pointer of the original node to the new node using the mapping created earlier
I am a software engineer with experience in developing web applications and a passion for problem-solving.
Experienced in developing web applications using languages such as Java, Python, and JavaScript
Proficient in using frameworks such as Spring, Django, and React
Skilled in problem-solving and troubleshooting
Strong communication and collaboration skills
Passionate about learning new technologies and keeping up with ind
I have experience in software development and have worked on various projects using different technologies.
Started my career as a software developer at XYZ company
Developed web applications using Java and Spring framework
Worked on a project for a client in the healthcare industry, developing a patient management system
Implemented RESTful APIs using Node.js and Express
Contributed to open source projects on GitHub
Current...
I applied via Job Portal and was interviewed in Nov 2024. There was 1 interview round.
I was given a case study to write multiple outputs by lookinginto a program.
I appeared for an interview before Sep 2023.
I applied via LinkedIn and was interviewed in Oct 2024. There were 2 interview rounds.
Technical aspects about linked list,trees, stacks
Topic related to humanities
First round was online coding round, second was coding in interview infornt of panel, third was DSA+basic Database questions
I appeared for an interview in Apr 2024.
I applied via Indeed and was interviewed in Nov 2023. There were 2 interview rounds.
The interview session took 30 minutes
Implement Java code to filter data from a list using Java Stream API
Use Stream.filter() method to filter data based on a given condition
Use lambda expressions to define the filtering condition
Collect the filtered data using Collectors.toList() method
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