Change variable

Question

In python i can change the variable like this

a = 2
b = 10
a , b = b , a

And variables changed

Now I have problem in Csharp
I wonna write this on csharp

Answer 1

Unknown ,

in c# this can be done very similar like in python. see the code in the attached file:
(works for string and integer, double,...)

https://code.sololearn.com/cUbX8SkJv3X5/?ref=app

Answer 2

Use a 3rd variable as helper. In case the variables are numeric, you can do something like:

a = a + b;
b = a - b;
a = a - b;