add loop and loop expressions

control_flow/src/main.rs

@@ -42,4 +42,24 @@ fn main() {
     };
     println!("New number for num2: {}",num2);
 
+    //loops
+    let mut loop_cycles = 1;
+    loop {
+        
+        println!("this is loop: {}",loop_cycles);
+        if loop_cycles == 3 {break};
+        loop_cycles += 1
+    }
+
+    //loop expression
+    loop_cycles = 1;
+    let result = loop {
+        
+        println!("cycle: {}",loop_cycles);
+        
+        if 7 % loop_cycles == 2 {break loop_cycles};
+
+        loop_cycles += 1
+    };
+    println!("it took {} cycles to resolve the expression",result)
 }