Update loops

Add better explanation of how loops works

Author: pedromsousalima

content/micropython/03.micropython/01.basics/02. loops/loops.md

@@ -12,12 +12,23 @@ Loops are fundamental constructs in programming that allow you to execute a bloc
 
 ## Loop Structures in MicroPython
 
-MicroPython supports two primary loop structures:
+MicroPython supports two primary loop structures, each with a specific purpose:
 
-- **`for` loops**: Iterate over a sequence (like a list, tuple, or string).
-- **`while` loops**: Continue executing as long as a condition is true.
+- **`for` loops**: These loops iterate over a predefined sequence, such as a list, tuple, or string. The loop automatically retrieves each item in the sequence, one at a time, and performs actions until every item has been handled.
 
-Let's delve into each of these with examples.
+- **`while` loops**: These loops continue executing as long as a specified condition is true. Unlike `for` loops, which depend on a sequence, `while` loops rely on a conditional expression that determines when the loop should stop.
+
+To better understand these loops, let’s imagine them as tasks at the supermarket:
+
+- **`for` loops**: Imagine walking down a supermarket aisle with a shopping list that specifies exactly how many items to pick up, one by one, in order. Once you’ve gathered all the items on your list, your task is complete. This is like a `for` loop iterating over a sequence, handling each specified item one at a time.
+
+TODO:!(FOR ILUSTRATION)[]
+
+- **`while` loops**: Imagine going to the supermarket to buy a certain product that’s on sale, as long as it stays in stock. You keep coming back, day after day, until the sale ends or the stock runs out. In a `while` loop, you keep “coming back” as long as a condition (like the sale continuing) remains true.
+
+TODO:!(WHILE ILUSTRATION)[]
+
+Let's jump into each of these with examples.