What is variable scope in Perl?
An example of an AI chatbot conversation about variable scope in Perl programming.
What is variable scope in Perl?
Variable scope in Perl refers to the visibility and lifetime of variables within different parts of your code.
Can you explain the different types of variable scope?
Sure! In Perl, there are three main types of variable scope: global, lexical, and package scope.
What is the difference between global and lexical variables?
Global variables are accessible from anywhere in the program, while lexical variables are limited to the block in which they are defined.
How do I declare a lexical variable in Perl?
You can declare a lexical variable using the 'my' keyword, like this: 'my $variable_name;'. This restricts its scope.
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