use strict;
  use warnings;
  use Data::Dumper;
  my %database;
  my @employee_details;
  my @mykeys;
  open(FH,"+>>database.txt")|| die 'Cannot open the file';
  print FH %database;
  close FH;
  
  sub client
  {
  my $choice=shift @_;
  
  if($choice eq 'add')
  {
 print STDOUT 'Enter employee details',"\n";
  print STDOUT 'Enter employee id',"\n";
  my $employee_id=<STDIN>;
  chomp $employee_id;
  print STDOUT 'Enter employee name',"\n";
  my $employee_name=<STDIN>;
  chomp $employee_name;
  print STDOUT 'Enter employee salary',"\n";
  my $employee_salary=<STDIN>;
  chomp $employee_salary;
  print STDOUT 'Enter employee phone number',"\n";
  my $employee_ph=<STDIN>;
  chomp $employee_ph;
  @employee_details=($employee_name, $employee_salary,$employee_ph,"\n");
  $database{$employee_id}=(\@employee_details);
  print FH %database;
  }
  
  elsif($choice eq 'get')
  {
    open(FH,"+>>database.txt")|| die 'Cannot open the file';
    print FH my @database;
    my $mykeys=(\@database);
    print STDOUT @{$mykeys},"\n";
  }
  }
  
  print STDOUT "Enter your option\n";
  
  my $input=<STDIN>;
  chomp  $input;
  client($input);