C# write a variable in string
// Method 1 Interpolation
//Interpolation Strings are strings that are interpertated at run time for your local vars
//This string must still use escape chars such as \ and '{' char must be typed twice to show up.
int Num = 1;
String InterpolationString = $"The numer is {Num}. this way {{ can mark values"
//the intel on this web app has not incorperated this sense yet
// Method 2 Format
string StringToFormat = "Name:{0} {1}, Location:{2}, Age:{3}";
string FormattedString = string.Format(StringToFormat, "Jim", "Bean", "EU", 1);
// You van add more variables to a sting by just adding {x} to root sting
// format (where x is the variable spot in the input) and another var to the
// of end params
// you can also add format specifications to a var.
int Num = 10;
Console.Write(string.Format("{0:X4}", Num));
// Output: 000A (Hexdecimal or base16 10)
//Here are some of the following
//"C" or "c" Currency
//"D" or "d" Decimal
//"E" or "e" Exponential (scientific)
//"F" or "f" Fixed-point
//"G" or "g" General
//"N" or "n" Number
//"P" or "p" Percent
//"X" or "x" Hexadecimal
//"R" or "r" Round-trip
//See https://docs.microsoft.com/en-us/dotnet/standard/base-types/standard-numeric-format-strings for more