Mastering GUI Programming with Python

HTML basics

An HTML document is composed of text content interspersed with tags to indicate non-plain text features. A tag is simply a word enclosed in angle brackets, as follows:

<sometag>This is some content</sometag>

Notice the </sometag> code at the end of the preceding example. This is called a closing tag, and it's simply like the opening tag but with a forward slash (/) before the tag name. Closing tags are generally only used for tags that enclose (or have the ability to enclose) text content.

Consider the following example:

Text can be <b>bold<b> <br>Text can be <em>emphasized</em> <br>Text can be <u>underlined</u> <hr>

The b, em, and u tags require a closing tag because they enclose a portion of the content and indicate a change ...