python csv file read and write

Published: 26 February 2024
on channel: CodeShare

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certainly! here's an informative tutorial on reading and writing csv files in python, along with code examples:
title: working with csv files in python - a comprehensive guide
introduction:
csv (comma separated values) is a widely used format for storing and exchanging tabular data. python provides a built-in module called csv that makes it easy to work with csv files. in this tutorial, we will explore how to read and write csv files in python, covering the essential concepts and providing practical code examples.
1. reading csv files:
1.1 using csv.reader:
the csv.reader class in the csv module helps read csv files line by line. here's a basic example:
1.2 reading into a list of lists:
you can store the csv data into a list of lists for easier manipulation:
1.3 reading into a dictionary:
read csv data into a dictionary for more structured access using the header row:
2. writing csv files:
2.1 using csv.writer:
the csv.writer class helps write data to csv files. here's a simple example:
2.2 writing with dictwriter:
write data from a list of dictionaries to a csv file, using the header row:
conclusion:
working with csv files in python is straightforward, thanks to the built-in csv module. whether you need to read or write data, the module provides convenient classes for handling csv files efficiently. with the knowledge gained from this tutorial, you can now integrate csv file handling seamlessly into your python projects.
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