Home > Backend Development > Python Tutorial > How Can I Write a Python List to a File with Newlines Between Each Item?

How Can I Write a Python List to a File with Newlines Between Each Item?

DDD
Release: 2024-12-08 18:08:12
Original
351 people have browsed it

How Can I Write a Python List to a File with Newlines Between Each Item?

Writing a List to a File with Python, Including Newlines

When writing a list to a file using Python, it's common to encounter the issue of not inserting newline characters. The writelines() method can be used to write a list of items to a file, but it does not automatically add newlines between them. To resolve this issue, a more elaborate approach is required.

One method involves using a loop to iterate over each line in the list and writing it to the file along with a newline character:

with open('your_file.txt', 'w') as f:
    for line in lines:
        f.write(f"{line}\n")
Copy after login

Prior to Python 3.6, the following syntax was used:

with open('your_file.txt', 'w') as f:
    for line in lines:
        f.write("%s\n" % line)
Copy after login

Additionally, for Python 2, the following syntax was also available:

with open('your_file.txt', 'w') as f:
    for line in lines:
        print >> f, line
Copy after login

If you prefer a single function call, you can optimize it by removing square brackets from the list, allowing for the individual strings to be written one at a time:

with open('your_file.txt', 'w') as f:
    f.writelines(f"{line}\n" for line in lines)
Copy after login

The above is the detailed content of How Can I Write a Python List to a File with Newlines Between Each Item?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template