Calsoft Python Automation Engineer Interview Questions and Answers

Q1. Interview start with self introduction then ask some coding questions to check your programming logic .
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Q2. Questions also from OOPS python.
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Q3. They ask about ,what is the output of this program
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Q1. What is dunder method
Ans. 
Dunder method refers to special methods in Python that start and end with double underscores (__).
• Dunder methods are also known as magic methods or special methods.

• They are used to define behavior for built-in operations in Python, such as addition, subtraction, comparison, etc.

• Examples of dunder methods include __init__ for object initialization, __add__ for addition, __str__ for string representation, etc.
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Q1. Dictionary manipulation
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Q2. Exception handling question
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Q1. Dictionary Manipulation
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Q2. Exception handling
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Q1. Python theoretical questions.
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Q2. Print random ip address
Ans. 
Generate and print a random IP address.
• Use the random module to generate random numbers for each octet of the IP address.

• Ensure that the generated IP address is valid by checking that each octet is within the range of 0-255.

• Join the octets together with periods to form the complete IP address.

• Print the generated IP address.
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Q3. Print the true or false by checking the input is ordered or not input is {[()]} 2nd input is ({[)}]
Ans. 
The input is checked for order and the result is printed as true or false.
• Check if the input is ordered by comparing opening and closing brackets

• Use a stack to keep track of opening brackets

• If a closing bracket is encountered, pop the top element from the stack and check if it matches the closing bracket

• If the stack is empty at the end, the input is ordered
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Q4. Print reverse of string by using for loop
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The code snippet prints the reverse of a given string using a for loop.
• Initialize an empty string to store the reversed string.

• Iterate through each character in the original string using a for loop.

• Append each character to the beginning of the reversed string.

• Print the reversed string.
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Q5. Oops interview questions
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Q6. What is decorator
Ans. 
A decorator is a design pattern in Python that allows a user to add new functionality to an existing object or function.
• Decorators are denoted by the @ symbol followed by the name of the decorator function.

• They are used to modify the behavior of the decorated object or function without directly changing its source code.

• Decorators can be used for adding logging, timing, caching, authentication, and other cross-cutting c...read more
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Q1. Explain one scenario about automation you had in previous project
Ans. 
Automated the testing of a web application by creating test scripts using Python and Selenium.
• Developed automated test scripts using Python and Selenium

• Executed test scripts to validate the functionality of a web application

• Generated test reports and identified defects for further investigation

• Improved test efficiency and reduced manual effort by automating repetitive tasks
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Q2. What is dict in python
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A dict in Python is an unordered collection of key-value pairs.
• Dicts are enclosed in curly braces {}

• Each key-value pair is separated by a colon :

• Keys must be unique and immutable (strings, numbers, or tuples)

• Values can be of any type and can be duplicated

• Dicts are mutable and can be modified by adding, updating, or deleting key-value pairs
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Q3. What is web application testing
Ans. 
Web application testing is the process of evaluating the functionality, usability, and security of a web application.
• It involves testing the application's features, such as forms, navigation, and user interactions.

• It also includes checking for compatibility across different browsers and devices.

• Security testing is crucial to identify vulnerabilities and protect against attacks.

• Performance testing ensures the applicatio...read more
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Q4. Jira defect tool
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Q5. Inheritance in oops
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows code reuse and promotes modularity.

• The class that is being inherited from is called the parent class or base class.

• The class that inherits from the parent class is called the child class or derived class.

• The child class can access all the public and protected members of the paren...read more
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Q6. Diff between list and tuple
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Lists and tuples are both sequence data types in Python, but they have some key differences.
• Lists are mutable, meaning their elements can be changed, added, or removed.

• Tuples are immutable, meaning their elements cannot be changed once defined.

• Lists use square brackets [], while tuples use parentheses ().

• Lists are typically used for collections of similar items, while tuples are used for heterogeneous data.

• Lists have m...read more
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Inheritance coding test

Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
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Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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