Hello guys, I am trying to develop a simple loop in Ruby. You need to
type in a number. When this number is an "even" number, it will divide
it by 2. If it is an odd number, it will multiply it by 3. This goes in
a loop... so for instance if you type in number "20", Ruby would write
an answer like this: 20, 10, 5, 15, 45,... infinitelly...always either
dividing or multiplying the number that it gets depending on whether it
is an odd or even number.

I tried so many things these days, but none of them were working.

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