read user input of double type

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無奈伤痛
無奈伤痛 2021-01-18 07:18

I have found this answered in other places using loops, but I wasn\'t sure if there is actually a function that I\'m not finding that makes this easier, or if this is a poss

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  •  没有蜡笔的小新
    2021-01-18 08:12

    string input = Console.ReadLine();
    double d;
    if (!Double.TryParse(input, out d))
        Console.WriteLine("Wrong input");
    double r = d * Math.Pi;
    Console.WriteLine(r);
    

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