Re^2: How can I delete a key' value from a hash

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printf "Before deleting: city= %s state=%s zip= %s\n",
   $city ,
...
   $city,
   $location_hash->{ $city }->{ 'ST' },
   $location_hash->{ $city }->{ 'ZIP' };

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Before deleting: city= Lucketts state=VA zip= 20176
After deleting: city= Lucketts state= zip=

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for my $city ( keys %$location_hash ) {
   .
...
      $location_hash->{ $city }->{ 'ZIP' };

} end for loop

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Before deleting: state=VA zip= 20176
After deleting: state= zip=
Before deleting: state=VA zip= 20176
After deleting: state= zip=

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