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i solve this challange but dont know how so can someone send me private message and try explain me becose i want to learn

Hello first i want to say people here make me laugh after long time.I am new here i will not ask some stupid question like others do i can tell this forum is very good i read a lot today on this forum and there si lots of things to learn here,and that game was very nice :) and sorry for my enlglish ...