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Perl
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Language Basics
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Variable
1.
Variables and Arrays
2.
Assign value to a variable without declaration
3.
Assign a number to a single variable
4.
Assign new value to string variable
5.
Assign text to a single variable
6.
If variable defined
7.
Declare three variables in one statement
8.
Guess My Number
9.
Lexical variables
10.
Modifying a Variable
11.
Numeric Literals
12.
Perl variables
13.
Scalar, array, and hash output
14.
undef a variable
15.
Using defined.
16.
Stick with one variable and modify its value
17.
Adding 10 to an undefined variable
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