add for loops

control_flow/src/main.rs

@@ -42,4 +42,48 @@ 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);
+
+    //while 
+    loop_cycles = 1;
+    while 5 > loop_cycles {
+        if loop_cycles == 2
+        {
+            loop_cycles +=1;
+            continue;
+        }
+        println!("while loop {}",loop_cycles);
+        loop_cycles += 1;
+    }
+
+    //for loops
+    //1..5 is 1 up to 5 not including 5
+    for x in 1..5 
+    {
+        println!("for loop: {}",x);
+    }
+    //1..=5 is 1 up to and including 5
+    for x in 1..=5 
+    {
+        println!("for loop including: {}",x);
+    }
 }