use
Data::Dumper module for debugging these kind of issues. The following is the output of '%table' hash using
Data::Dumper before removing the space from your input. You can find spaces in front of all the country names.
use Data::Dumper;
print Dumper(%table);
output
$VAR1 = ' Germany';
$VAR2 = [
'Frankfurt',
'Berlin'
];
$VAR3 = ' Finland';
$VAR4 = [
'Helsinki'
];
$VAR5 = ' USA';
$VAR6 = [
'Chicago',
'Washington',
'New York'
];
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