assignment7.md

Modules and Packages

Write a python program for the below

Create a module named calculator.py with functions to perform basic mathematical operations. Then, create another Python script to import and use these functions.
Create a package named shapes with modules for calculating the area and perimeter of geometric shapes such as circles and rectangles. Then, import and use these modules in another Python script.
Explore various functionalities of the following modules os, sys, datetime, collections and re. (Min 5 methods in each module)

Write a Python script for the below

To extract data from multiple CSV files, aggregate the data, and generate a summary report. For example, you could extract sales data from multiple CSV files, calculate total sales for each product, and generate a report with product-wise sales.
To read JSON data, validate it against a schema, and clean the data by removing or modifying invalid entries. For example, you could validate user data against predefined rules and generate a clean dataset. File contains 10 key value pairs, out of which we need only 5 mandatory key-value pairs and we have to convert the values to appropriate datatypes.

Write a python script to do basic CRUD operations for