Update 03_booleans_operators_date.md

The output "undefined" you see is the default result of executing the code. It indicates that there is no specific value to return or display after running the provided code snippets.

Also note that the output "undefined" you see is the default result of executing the code. It indicates that there is no specific value to return or display after running the provided code snippets.

03_Day_Booleans_operators_date/03_booleans_operators_date.md

@@ -233,23 +233,23 @@ The ! operator negates true to false and false to true.
 ```js
 // && ampersand operator example
 
-const check = 4 > 3 && 10 > 5         // true && true -> true
+const check1 = 4 > 3 && 10 > 5;      // true && true -> true
-const check = 4 > 3 && 10 < 5         // true && false -> false
+const check2 = 4 > 3 && 10 < 5;      // true && false -> false
-const check = 4 < 3 && 10 < 5         // false && false -> false
+const check3 = 4 < 3 && 10 < 5;      // false && false -> false
 
 // || pipe or operator, example
 
-const check = 4 > 3 || 10 > 5         // true  || true -> true
+const check4 = 4 > 3 || 10 > 5;      // true || true -> true
-const check = 4 > 3 || 10 < 5         // true  || false -> true
+const check5 = 4 > 3 || 10 < 5;      // true || false -> true
-const check = 4 < 3 || 10 < 5         // false || false -> false
+const check6 = 4 < 3 || 10 < 5;      // false || false -> false
 
 //! Negation examples
 
-let check = 4 > 3                     // true
+let isGreaterThanThree = 4 > 3;     // true
-let check = !(4 > 3)                  //  false
+let isNotGreaterThanThree = !isGreaterThanThree;  // false
-let isLightOn = true
+let isLightOn = true;
-let isLightOff = !isLightOn           // false
+let isLightOff = !isLightOn;         // false
-let isMarried = !false                // true
+let isMarried = !false;              // true
 ```
 
 ### Increment Operator