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How to Use this script

Step-1  Create a file name it  'user_name.sh'

Step-2  Copy Complete below written script in the file created and save it.

Step-3  Set executable permission by runing following command ( [ root @ server1~ ]#  chmod   a+x   user_name.py ) .

Step-4  Run script like  ./user_name.py  which will draw chess board on terminal

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