A Plus Topper Associate Python Developer Interview Questions and Answers

Q1. What is a Python program that can be used to determine the best price for selling stocks?
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Q2. Can you write a Python program to determine whether two given words are anagrams of each other without using built-in functions?
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Q1. Difference between list & tuple?
Ans. 
List is mutable, tuple is immutable in Python.
• List uses square brackets [], tuple uses parentheses ().

• List elements can be changed, added, or removed, tuple elements cannot be changed.

• Lists are used for collections of items that may need to be modified, tuples are used for fixed collections of items.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q2. What is namespace and its types?
Ans. 
Namespace is a way to organize variables and functions in a program to avoid naming conflicts.
• Namespace helps in avoiding naming conflicts by providing a unique space for each identifier.

• Types of namespaces include global namespace, local namespace, built-in namespace, and module namespace.

• Example: In Python, each module has its own namespace where all the variables and functions defined in that module reside.
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Q3. Write code to explain multiple inheritance
Ans. 
Multiple inheritance in Python allows a class to inherit attributes and methods from more than one parent class.
• Python supports multiple inheritance by allowing a class to inherit from multiple parent classes.

• The order of parent classes in the inheritance list matters, as methods are searched for in the order they appear.

• Diamond problem can occur in multiple inheritance when two parent classes have a common ancestor cl...read more
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Q4. Define lambda function and give an example?
Ans. 
Lambda function is an anonymous function defined using the lambda keyword in Python.
• Lambda functions are used for creating small, one-time use functions without a name.

• Syntax: lambda arguments: expression

• Example: double = lambda x: x * 2
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Q5. Oops concept,decorator,iterator.
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Q1. Write a code for reverse an integer?
Ans. 
Use string manipulation to reverse an integer in Python.
• Convert the integer to a string

• Use string slicing to reverse the string

• Convert the reversed string back to an integer
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Q1. Differences between docker image and container
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Docker image is a template used to create containers, while a container is a running instance of an image.
• Docker image is read-only, while a container is a writable instance of an image.

• Multiple containers can be created from the same image, but each container is isolated from others.

• Containers can be started, stopped, moved, and deleted, while images are static and cannot be changed.

• Images are used to package an appli...read more
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String,lists,dict and coding knowledge

Q1. Create new list from the provided list but the order should be shuffled and no duplicate element should be removed
Ans. 
Create a new list with shuffled order and no duplicate elements.
• Use the random.shuffle() function to shuffle the list

• Use a set to keep track of elements already added to the new list to avoid duplicates

• Convert the set back to a list to maintain the order of elements
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Q2. Architecture of existing application
Ans. 
The existing application follows a microservices architecture with separate components for different functionalities.
• The application is divided into multiple services that communicate with each other through APIs.

• Each service is responsible for a specific task or functionality, promoting modularity and scalability.

• Examples of microservices in the architecture include user authentication service, payment processing serv
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Q1. Why do you want to join
Ans. 
I am passionate about Python development and excited about the innovative projects your company is working on.
• Passionate about Python development

• Excited about innovative projects at company

• Seeking growth and learning opportunities
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Q2. Where do you see yourself in 5 years
Ans. 
In 5 years, I see myself as a senior Python developer leading a team of developers on innovative projects.
• Continuing to enhance my Python skills and staying updated on new technologies

• Taking on more leadership responsibilities and mentoring junior developers

• Contributing to the success of the company through my technical expertise
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Q1. Questions related to python web framework
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Q2. Real time python project problem solving questions
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Q1. List & tuple diff
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Q2. Pickling & unpickling
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Avg aptitude questions

2 easy coding questions

Q1. Array question in python
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Q2. SQL query based on condition
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