Python BeautifulSoup: Find and print all li tags of a given web page

BeautifulSoup: Exercise-17 with Solution

Write a Python program to find and print all li tags of a given web page.

Sample Solution:

Python Code:

import requests
from bs4 import BeautifulSoup
url = 'https://www.w3resource.com/'
reqs = requests.get(url)
soup = BeautifulSoup(reqs.text, 'lxml')
print("\nFind and print all li tags:\n")
for tag in soup.find_all("li"):
    print("{0}: {1}".format(tag.name, tag.text))

Sample Output:

Find and print all li tags:

li: Front End
li: HTML
li: CSS
li: JavaScript
li: HTML5
li: Schema.org
li: php.js
li: Twitter Bootstrap
li: Responsive Web Design tutorial
li: Zurb Foundation 3 tutorials
li: Pure CSS
li: HTML5 Canvas
li: JavaScript Course
li: Icon
li: Linux
li: Linux Home
li: Linux Commands
li: Linux Server Administration
li: Back End
li: PHP
li: Form Template
li: Forms Template
li: Slides
li: Slides Presentation
li: Google Docs
li: Forms Template
li: Slide Presentation
li: Conversion Tools
li: Number Conversion
li: MS Excel
li: Excel 2013 tutorial
li: Videos
li: PHP Videos
li: JavaScript Videos
li: Tools
li: Firebug Tutorial
li: Useful Tools
li: Facebook
li: Twitter
li: Google Plus
li: Linkedin
li: RSS
li: Privacy
li: About
li: Contact
li: Feedback
li: Advertise

Python Code Editor:

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Previous: Write a Python program to retrieve the HTML code of the title, its text, and the HTML code of its parent.
Next: Write a Python program to print content of elements that contain a specified string of a given web page.

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Python: Tips of the Day

Getting the last element of a list:

some_list[-1] is the shortest and most Pythonic.

In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the first element.

You can also set list elements in this way. For instance:

>>> some_list = [1, 2, 3]
>>> some_list[-1] = 5 # Set the last element
>>> some_list[-2] = 3 # Set the second to last element
>>> some_list
[1, 3, 5]

Note that getting a list item by index will raise an IndexError if the expected item doesn't exist. This means that some_list[-1] will raise an exception if some_list is empty, because an empty list can't have a last element.

Ref: https://bit.ly/3d8TfFP