Another initialization readability trick is to use YAML in a HEREDOC which gets you (IMHO) less "noise" to initializing data: 

use YAML::XS qw( Load );
my %conversions = %{Load(<<'EOT')};
---
ALA: A
TYR: Y
MET: M
...
EOT

[download]

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^2: Issues regarding for loops and recursion by Fletch
in thread Issues regarding for loops and recursion by Nickmofoe

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