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→Rules to follow: minor
6. Do not use redundant statements (i.e: if (x != 0) because it same as if(x) )
7. Here is example [http://zenit.senecac.on.ca/wiki/index.php/How_to_set_up_tab_spaces How to set up tab spaces] but please put 2 instead 3.
8. Do not create several variables in one line