Write a Perl subroutine, referenceTypeExample, to demonstrate your understanding of Perl’s reference type:
Create an integer variable “theInt” which is set to 42.
Create an alias for the theInt
Using the alias, increase the value of the integer variable by one
Print out the value of theInt (it should be 43)
Print out the value of the alias
Print out the value of theInt using the the alias
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