Editing Metasyntactic variable (section)

===Python===
[[Spam (food)|Spam]], [[ham]], and [[Egg (food)|eggs]] are the principal metasyntactic variables used in the [[Python programming language]].<ref>{{Cite web|url=https://docs.python.org/3/tutorial/|title=The Python Tutorial — Python 3.8.1 documentation|website=docs.python.org}}</ref> This is a reference to the famous comedy sketch, "[[Spam (Monty Python)|Spam]]", by [[Monty Python]], the eponym of the language.<ref>{{Cite web |date=2021-09-04 |title=General Python FAQ — Python 3.9.7 documentation |url=https://docs.python.org/3/faq/general.html |url-status=live |archive-url=https://web.archive.org/web/20210826153036/https://docs.python.org/3/faq/general.html#why-is-it-called-python |archive-date=2021-08-26 |access-date=2021-09-05 |website=docs.python.org |publisher=Python Software Foundation |at=Why is it called Python?}}</ref>
In the following example <code>spam</code>, <code>ham</code>, and <code>eggs</code> are metasyntactic variables and lines beginning with <code>#</code> are comments.
<syntaxhighlight lang="python">
# Define a function named spam
def spam():

    # Define the variable ham
    ham = "Hello World!"

    # Define the variable eggs
    eggs = 1

    return
</syntaxhighlight>