w3resource

Python: Count the number of lines in a given CSV file

Python module: Exercise-2 with Solution

Write a Python program to count the number of lines in a given CSV file. Use csv.reader

Sample Solution:

Python Code:

import csv
reader = csv.reader(open("employees.csv"))
no_lines= len(list(reader))
print(no_lines)


Sample Output:

52

Step1 - Open the CSV file using the open("employees.csv").
Step2 - Create a CSV reader by calling the function csv.reader(reader) as the result of the previous step.
Step3 - Get a list representation of the CSV file by calling list(reader) of the previous step.
Step4 - Count the number of lines in the CSV file with len(list(reader)).

Flowchart:

Flowchart: Count the number of lines in a given CSV file.

Python Code Editor:


Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python program to read and display the content of a given CSV file.
Next: Write a Python program to parse a given CSV string and get the list of lists of string values.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://198.211.115.131/python-exercises/modules/python-module-csv-exercise-2.php