TCS Python Software Developer Interview Questions, Process, and Tips

Q1. Basic python questions and data structures in python
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Q1. Difference between list and tuple
Ans. 
List is mutable, tuple is immutable in Python.
• List uses square brackets [], tuple uses parentheses ().

• Elements in list can be changed, tuple elements are fixed.

• List is slower than tuple due to mutability.

• List is used for dynamic data, tuple for static data.
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Q2. Swap two numbers without swap function and without using 3rd variable
Ans. 
To swap two numbers without using a swap function or a third variable, use arithmetic operations.
• Add the two numbers together and store the result in one of the variables

• Subtract the second number from the sum and store the result in the second variable

• Subtract the original first number from the sum and store the result in the first variable
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Q3. Write a custom Decorators
Ans. 
Custom decorators in Python allow you to modify or extend the behavior of functions or methods.
• Decorators are functions that wrap another function and modify its behavior.

• Use the @ symbol followed by the decorator function name above the function definition.

• Decorators can be used for logging, authentication, caching, etc.

• Example: def my_decorator(func): def wrapper(): print('Something is happening before the funct...read more
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Q1. What is moudles and packages
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Modules are files containing Python code, while packages are directories containing modules.
• Modules are used to organize Python code into reusable files.

• Packages are used to organize modules into directories for better organization.

• Modules can be imported using the 'import' keyword, while packages are imported using dot notation.

• Example: 'import math' imports the math module, while 'import mypackage.mymodule' imports a
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Q2. What is __init__ and __init__.py
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The __init__ method is a special method in Python classes used for initializing new objects. __init__.py is a special file used to define a package in Python.
• The __init__ method is called when a new object is created from a class and is used to initialize the object's attributes.

• __init__.py is a special file used to define a package in Python. It can be empty or contain initialization code for the package.

• The __init__....read more
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Q3. Largest count in a word
Ans. 
Find the word with the largest count of a specific character.
• Iterate through each word in the array

• Count the occurrences of the specific character in each word

• Keep track of the word with the largest count
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Q1. Package discussion
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Q1. How can we create a list
Ans. 
A list in Python can be created by enclosing elements in square brackets []
• Use square brackets [] to enclose elements

• Separate elements with commas

• Elements can be of any data type

• Example: my_list = [1, 'apple', True, 3.14]
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First of to check the ability of the person on coding

The GD is main to clear the person's fear

Q1. To check the personality of the person
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Q2. Why you are choosing this job?
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Q3. Why we hire you? Then what can you do for company growth?
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Q1. The manager will be take this round to check their ability
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Q2. What is your main AIM?
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