Python (PY) — Winter 2025

Do as Directed.

Module ii) Pandas iii) IDLE stands for______ iv) What is the purpose of the head() method in a Pandas DataFrame?

What is quantifier? vi) What distinguishes a function from a method in Python? vii) tail()

What is an object in Python? How does Python's object-oriented programming differ from procedural programming? Illustrate with an example.

Explain the concept of iteration in Python. Write a program to print the Fibonacci series of 1 to 50 numbers using for loop.

What are list comprehensions in Python? How do they differ from for loops? Show a code snippet that creates a list of squares for numbers 1 to 10.

What is a recursive function? Illustrate its principles with an example.

Explain lambda functions in Python with an example. Discuss their use with map(), filter(), and reduce() functions.

Write a Python function to check if a given string is a valid URL using regular expressions.

Write a Python program to count lines, words, and characters in a text file.

Differentiate between a function and a method. Illustrate the describe() method with an example.

Define inheritance in OOP. Create a base class Animal with a speak() method, and derive Dog and Cat subclasses that implement speak() differently. Provide a code example.

What are the different operations can be performed on DataFrames?. Discuss operations like filtering, grouping, and aggregating data with example.

Explain given function of pylab library with suitable examples. 1.figure(), 2. plot(), 3.savefig(), 4.title(), 5.xlabel(), 6.ylabel(), 7. legend()

What is Data frame? How it’s used in python discuss with appropriate example.

What is Data visualization? Explain Pie Chart with Example.

What is database adapter? Write a Python program to perform insert update and delete operations with the given table: (employee (EMP_ID, EMP_NAME, EMP_PROJECT)).

What is Regular Expression? Explain re module to perform basic regex operations such as searching and matching patterns in strings.

Create a Python program that uses the object-oriented paradigm to calculate and display simple interest and compound interest on a chart using PyLab. Highlight the differences between the two.