The csv modules reader and writer objects read and write sequences. Programmers can also read and write data in dictionary form using the DictReader and DictWriter classes.
csv Module: The CSV module is one of the modules in Python that provides classes for reading and writing tabular information in CSV file format.
Reading CSV Files Into a Dictionary With csvOptional Python CSV reader ParametersIn this article, youll learn how to read, process, and parse CSV from text files using Python.

To learn more about opening files in Python, visit: Python File Input/Output. Then, the csv.reader() is used to read the file, which returns an iterable reader object.
This post will provide a detailed explanation of how to use Python and the pandas library to selectively read and process fields in large CSV files, avoiding issues related to insufficient memory.

Parsing a CSV file in Python. Reading CSV files using the inbuilt Python CSV module.