Editing Global variable (section)

===Other languages===

* In [[Python (programming language)|Python]] and [[MATLAB]] a global variable can be declared anywhere with the <code>global</code> keyword.<ref>{{cite web|title=What are the rules for local and global variables in Python?|url=https://docs.python.org/3/faq/programming.html#what-are-the-rules-for-local-and-global-variables-in-python|website=docs.python.org|publisher=Python Software Foundation|access-date=4 June 2020}}</ref><ref>{{cite web|title=Declare variables as global|url=http://in.mathworks.com/help/matlab/ref/global.html|website=in.mathworks.com|publisher=The MathWorks, Inc.|access-date=7 February 2015}}</ref>
* [[Ruby (programming language)|Ruby]]'s global variables are distinguished by a '<code>$</code>' [[sigil (computer programming)|sigil]]. A number of predefined globals exist, for instance <code>$$</code> is the current [[process ID]].