in reply to How to access each element in an array Perl

...How to do this please let me know.
How would you do it? How do I post a question effectively? might also do.
Howbeit, to give a headup doing thus is one way of getting your desired output: 

my @arr = qw(Larrywall);
print substr( $arr[0], index( $arr[0], q[y] ), 1 );

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Please check index and substr. Also please note what choroba said.

If you tell me, I'll forget.
If you show me, I'll remember.
if you involve me, I'll understand.
--- Author unknown to me

In Section Seekers of Perl Wisdom