+
+```csharp
class Program
-
-{
-
-static void Main(string[] args)
-
-{
-
-void PrintBlock()
-
-{
-
-Console.WriteLine("---------------------");
-
-Console.WriteLine("| This is cool but |");
-
-Console.WriteLine("| you wouldn't want |");
-
-Console.WriteLine("| to write this |");
-
-Console.WriteLine("| block of code |");
-
-Console.WriteLine("| every time! |");
-
-Console.WriteLine("---------------------");
-
-}
-
-PrintBlock();
-
-PrintBlock();
-
-PrintBlock();
-
-}
-
-}
-
-* In this example, we declared a new method called PrintBlock
-* Finally the method was called three times
-* Each time the entire code inside the method was executed
-* The void statement means that the method does not return anything
- * More on that later
-
-# Parameters
-
-Sometimes you want to pass data into the method when calling it
-
-This is done by adding __parameters __ to the method declaration, inside the brackets:
-
-void PrintSum(int val1, int val2)
-
{
-
-int sum = val1 + val2;
-
-Console.WriteLine("Sum of " + val1 + " and " + val2 + " is " + sum);
-
+ void PrintBlock()
+ {
+ Console.WriteLine("---------------------");
+ Console.WriteLine("| This is cool but |");
+ Console.WriteLine("| you wouldn't want |");
+ Console.WriteLine("| to write this |");
+ Console.WriteLine("| block of code |");
+ Console.WriteLine("| every time! |");
+ Console.WriteLine("---------------------");
+ }
+
+ static void Main(string[] args)
+ {
+ PrintBlock();
+ PrintBlock();
+ PrintBlock();
+ }
}
+```
-The values to be passed are set as __arguments __ in the method call, inside the brackets:
+
+
-PrintSum(2, 5); // Outputs "Sum of 2 and 5 is 7
-
-PrintSum(5, 5); // Outputs "Sum of 5 and 5 is 10
+
-# Parameters - Example
+
+
+
+
+```csharp
static void Main(string[] args)
-
-{
-
-int centuriesPrinted = 0;
-
-void PrintCentury(int century)
-
-{
-
-centuriesPrinted++;
-
-Console.WriteLine("Current century: " + century);
-
-Console.WriteLine("Total centuries printed: " + centuriesPrinted);
-
-}
-
-for (int i = 0; i < 500; i += 100)
-
-{
-
-PrintCentury(i);
-
-}
-
-}
-
-# Optional Parameters
-
-You can give a parameter a default value by assigning it in the method declaration
-
-This makes the parameter optional
-
-double CircleArea(double radius = 0)
-
-{
-
-double area = Math.PI * radius * radius;
-
-return area;
-
-}
-
-Console.WriteLine(CircleArea()); // This outputs 0
-
-Console.WriteLine(CircleArea(2)); // This outputs 12,56637...
-
-# Exercise 1
-
-Write two methods Sum and Difference, which both have two parameters of type int, named value1 and value2. Sum should print "The sum of __*value1*__ and __*value2*__ is __*sum*__ ", and Difference should print "The difference of __*value1*__ and __*value2*__ is __*difference*__ .
-
-Call the methods from the main method multiple times with different values.
-
-# Return Values
-
-The return value of a method is __returned __ with the return keyword:
-
-double radius = 2;
-
-Console.WriteLine(CircleArea(radius)); // Outputs 12,56637...
-
-double CircleArea(double radius)
-
-{
-
-double area = Math.PI * radius * radius;
-
-return area;
-
-}
-
-In the first examples, the method declarations started with the void expression, which means that the method doesn't return anything
-
-Here the method was declared as type double, which means that the method has to return a variable of type double
-
-# Multiple Return Values
-
-It is possible to return multiple values in the form of a __tuple__ :
-
-(string, string) FirstAndLastName(string fullname)
-
{
-
-string[] names = fullname.Split(' ');
-
-return (names[0], names[names.Length - 1]);
-
+ int centuriesPrinted = 0;
+
+ void PrintCentury(int century)
+ {
+ centuriesPrinted++;
+ Console.WriteLine
+ ("Current century: " + century);
+ Console.WriteLine
+ ("Total centuries printed: " + centuriesPrinted);
+ }
+
+ for (int i = 0; i < 500; i += 100)
+ {
+ PrintCentury(i);
+ }
}
+```
-(string first, string last) = FirstAndLastName("Hans \\"Dolph\\" Lundgren");
-
-Console.WriteLine($"First name: {first}, last name: {last}");
-
-// Outputs "First name: Hans, last name: Lundgren"
+
+
-If only one value from a tuple is needed, you can use a __discard __ (\_)
-
-// Only last name is allocated to a variable
-
-(\_, string lastName) = FirstAndLastName("Arnold Alois Schwarzenegger");
-
-# Scope of Methods
-
-The variables declared inside of a method are __local variables__ and only accessible inside of that method
+
-void ScopeExample()
+Note that this method modifies a value that is ***outside*** the method, which is considered bad practice.
+
+
+