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Details

Print a size ascending range of Diamonds using the numbers 1 to 9, ranging from size 1 to size 9, each diamond separated by a blank line.

A size 1 diamond should look like this, a single centered 1:

         1

With the largest size 9 diamond looking like this:

         1
        121
       12321
      1234321
     123454321
    12345654321
   1234567654321
  123456787654321
 12345678987654321
  123456787654321
   1234567654321
    12345654321
     123454321
      1234321
       12321
        121
         1
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arguments holds ARGV, print() to output with a newline, write() to output without a newline.
say() is available without any import.
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