диалоги
<Voker57> 2.1.0 :002 > rand(0.65)
=> 0.9084463172563021
<Voker57> ЧЕ
<gds> "If you call rand, you'll get a float greater than or equal to 0.0 and less than 1.0. If you give it an integer parameter (by calling rand(5) ), you will get an integer value greater than or equal to 0 and less than 5."
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