Check out example codes for "c# trim string". It will help you in understanding the concepts better.

Code Example 1

string hello = " hello world ";
hello.Trim();

Code Example 2

//Full defenition
bool IsEven(int num)
{
  return num % 2 == 0;
}

//Can be rewritten as:
bool isEven(int num) => num % 2 == 0;

//This can only work with one expression methods

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