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Tutor profile: Naman S.

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Naman S.
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Questions

Subject: Python Programming

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Question:

What are dictionaries in Python?

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Naman S.
Answer:

Dictionaries are a type of data structure in Python where information is stored in the form of key-value pairs and each key maps to an associated value. Unlike traditional dictionaries, dictionaries in python are unordered. The only way to index dictionaries or look up values is via the "keys". Eg:- {'Math': 98, 'English': 75, 'Science': 70} Benefits of dictionaries include:- 1) Dictionaries are mutable. 2) Dictionaries are dynamic and increase or shrink as needed. 3) Dictionaries can be nested i.e. it is possible to have dictionaries within dictionaries.

Subject: Java Programming

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Question:

Java is an object-oriented programming (OOP) language but what does that really mean?

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Naman S.
Answer:

As an OOP language, Java allows the coders to design their own data structures and the type of operations / functions that can be assigned to those data structures. Some of the benefits of this include:- 1) Encapsulation - This allows the coders to compartmentalize / modularize their code which helps during troubleshooting or debugging. Because each object has it's own functionality, it's easier to identify where the issue lies and this can be addressed without making any other changes. 2) Inheritance - This allows the coders to acquire the properties of the parent class (base class) within the child class (derived class). For example, let's consider cars. We can create a generic class (parent class) with basic traits of cars such as 4 wheels, an engine etc. Then we can create more specialized classes (child class) for each of the specific cars (e.g. sports, SUV, sedan, etc.) that have more specific properties. This way, for each of our child classes, we don't have to keep defining the same set of properties (e.g. 4 wheels, an engine, etc.). Instead, we define once and use multiple times. 3) Polymorphism - In continuation of the above example, if a new type of sports car is invented that has only 3 wheels, we don't have to go and change the property within the parents class. Instead, we can just change modify the property within the sports car class without affecting the properties in any of the color classes. This is called polymorphism.

Subject: Computer Science (General)

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Question:

I often have people reach out to me and ask, " I want to learn Computer Science, so which programming language should we learn? ".

Inactive
Naman S.
Answer:

All programming languages have different use-cases and there's no "one size fits all" concept - the language you choose depends on your end goals or objectives. If the purpose is just to learn the subject, then language you choose is immaterial when you are just getting started. The more important skills to develop are the ability to understand the problem, the ability to break the problem into smaller problems, the ability to come up with a sound logic, and the ability to combine your solutions to the smaller problems in a reasonable manner. These skills truly lay the foundation to be able to think critically and come up with efficient solutions to solve the problems at hand. Once these skills are developed, you are much more suited to code in any language because it's more about getting familiarized with the nuances of the different programming languages.

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