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  1. or download this
    example:
    
    ...
    output:
    (1+3+5)/3 = 3
    
  2. or download this
    print "Please enter a number: \n";
    my $limit = <STDIN>;
    ...
    my $average = $sum/$x;
    my $final = join("+",@array);
    print "\n($final)/$x=$average\n";
    
  3. or download this
    example:
    
    ...
    
    output:
    52 42 32 22 12 2
    
  4. or download this
    print "Please enter a number: \n";
    my $limit = <STDIN>;
    ...
            push(@array,$number);
            $number -= 10; }
    print "@array\n";
    
  5. or download this
    example:
    
    ...
    
    output:
    55-72-100
    
  6. or download this
    print "Please enter 4 numbers: \n";
    my @numbers = <STDIN>;
    ...
            push (@array,$numbers[3]) }
    my $final = join("-", @array);
    print "$final\n";
    
  7. or download this
    example:
    
    ...
    output:
    2
    4
    
  8. or download this
    example:
    
    ...
    *
    **
    ***