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FIS Python Interview Questions

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FIS – Python Interview Questions

Here is the list of Python Interview Questions which are recently asked in FIS company. These questions are included for both Freshers and Experienced professionals.


1. What is Python? What are the benefits of using Python?

Python is a programming language that is used for web development(server side) , software development , mathematics operation and so on. Python is a general-purpose interpreted, interactive, object-oriented, and high-level programming language.

Benefits:
  • Versatile, Easy to Use and Fast to Develop.
  • Open Source with a Vibrant Community.
  • Has All the Libraries You Can Imagine.
  • Great for Prototypes - You Can Do More with Less Code.
  • Speed Limitations

2. What is PEP 8?

PEP stands for Python Enhancement Proposal. PEP8 is a document that provides guidelines and best practices on how to write Python code.

The primary focus of PEP 8 is to improve the readability and consistency of Python code.

3. What are the differences between Python 2.x and Python 3.x?

There is a big and visible difference between Python 2.x and Python 3.x .Essentially, in Python 3, the print statement has been replaced with a print () function. For example, in Python 2 it is print “hello” but in Python 3 it is print (“hello”).

4. Why do you need to make your code more readable?

A high level of readability is at the heart of the design of the Python language. One reason for the high readability of Python code is its relatively complete set of Code Style guidelines and “Pythonic” idioms.

5. How many Keywords are there in Python? And why should we know them?

In Python, keywords are case sensitive. There are 33 keywords in Python 3.7. This number can vary slightly over the course of time. All the keywords except True , False and None are in lowercase and they must be written as they are.

Interview Questions based on Experience - Click here - Python Interview Questions and Answers

6. What are the built-in data-types in Python?

Python provides some built-in data types, in particular, dict , list , set and frozen set , and tuple . The str class is used to hold Unicode strings, and the bytes and byte array classes are used to hold binary data.

7. How many types of operators Python has? Give brief idea about them

Arithmetic Operators- To perform various arithmetic calculations like addition, subtraction, multiplication, division, %modulus, exponent, etc.

Comparison Operators: To compares the values on either side of the operand and determine the relation between them. Python Assignment Operators: for assigning the value of the right operand to the left operand. Various assignment operators used in Python are (+=, - = , *=, /= , etc.).

Logical Operators or Bitwise Operators: used for conditional statements are true or false like AND, OR and NOT. Membership Operators: operators test for membership in a sequence such as lists, strings or tuples.

Identity Operators: are used to compare the memory location of two objects. They are (is, is not).

8. What is the statement that can be used in Python if the program requires no action but requires a statement syntactically?

The pass statement acts as a placeholder and usually used when there is no need of code but a statement is still required to make a code syntactically correct.

9. What are the advantages of Python Recursion?

Python Recursion reduces unnecessary calling of function that reduces length of program. Very flexible in data structure like stacks, queues, linked list and quick sort. Big and complex iterative solutions are easy and simple with Python recursion.

10. What are the disadvantages of Python Recursion?

Disadvantages of Python Recursion
  • Slow.
  • Logical but difficult to trace and debug.
  • Requires extra storage space. For every recursive calls separate memory is allocated for the variables.
  • Recursive functions often throw a Stack Overflow Exception when processing or operations are too large.

11. What is lambda in python?

In Python, we use the lambda keyword to declare an anonymous function, which is why we refer to them as "lambda functions". An anonymous function refers to a function declared with no name. A lambda function can take any number of arguments, but they contain only a single expression.

12. Why don’t Python lambda have any statement?

A lambda function doesn't contain a return statement because it will have only a single expression which is always returned by default.

13. What do you understand by Python Modules?

Modules are simply ‘program logic' or a 'python script' that can be used for a variety of applications or functions. We can declare functions, classes, etc in a module.

The focus is to break down the code into different modules so that there will be no or minimum dependencies on one another.

14. What do you understand by Python Package?

Each package in Python is a directory which MUST contain a special file called __init__.py . This file can be empty, and it indicates that the directory it contains is a Python package, so it can be imported the same way a module can be imported.

15. What is namespace in Python?

A namespace is a collection of currently defined symbolic names along with information about the object that each name references. You can think of a namespace as a dictionary in which the keys are the object names and the values are the objects themselves

16. Why do we need Python Directories

All files are contained within various directories, and Python has no problem handling these too. The os module has several methods that help you create, remove, and change directories.

17. How to get current directory using Python?

To find the current working directory in Python, use os. getcwd() , and to change the current working directory, use os. chdir(path) .

18. Why Should We Use File Operation?

Python file handling (File I/O) is one of the essential topics for programmers and automation testers. It is required to work with files for either writing to a file or read data from it. Also, if you are not already aware, I/O operations are the costliest operations where a program can stumble.

19. Why should we close files?

The close() method of a file object flushes any unwritten information and closes the file object, after which no more writing can be done.

Python automatically closes a file when the reference object of a file is reassigned to another file. It is a good practice to use the close() method to close a file.

20. What are the differences between del keyword and clear() function?

In Python dictionary, del keyword is used to delete a particular element. The clear( ) function is used to delete all the elements in a dictionary.

21. What is Python Set?

Python Set is a programmatic form of sets in mathematics and one of the core data structures in Python. It is an unordered and unique collection of immutable objects. But it is in itself mutable by default.

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TOP MNC's PYTHON INTERVIEW QUESTIONS & ANSWERS

Here we listed all Python Interview Questions and Answers which are asked in Top MNCs. Periodically we update this page with recently asked Questions, please do visit our page often and be updated in Python.

Accenture
IBM
Wipro
Contus
L & T
TCS
Capgemini
HCL
Fidelity
FIS
Infosys
Cognizant
DXC Technology
Tech Mahindra
Dell

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To become a Python Certified professional and join in your dream company, Enroll now for our Best Python Training. We help you to crack any level of Python Interviews and We offering Python Training with 100% Placements.

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other top mnc Python Interview Q&A

  • TCS
  • Infosys
  • IBM
  • Capgemini
  • Cognizant
  • Wipro
  • HCL
  • DXC Technology
  • Contus
  • Fidelity
  • Tech Mahindra
  • L & T
  • FIS
  • Dell
  • Accenture

Python Latest News

Python Growth

According to a Forbes report on ‘technical skills with huge demand’, Python is listed top on the list, with a growth rate of 456% last year.

Python Annual Salary

The Average salary for Python Developer is 4, 42,713 per year in Indian based on 770 salaries submitted to Glassdoor by Python Developer employees.

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