add func_match function to prac12 module for number matching

Author: 0x-Professor

src/prac12.rs

@@ -9,4 +9,18 @@ fn main(){
     else{
         println!("number is equal to 10");
     }
+    func_match();
+}
+
+fn func_match(){
+    let number:u8 = 3;
+    match number{
+        0 => println!("number is 0"),
+        1 => println!("number is 1"),
+        2 => println!("number is 2"),
+        3 => println!("number is 3"),
+        4 => println!("number is 4"),
+        5 => println!("number is 5"),
+        _ => println!("number is not 0-5")
+    }
 }