From c1176864c52378d3b64310f8670f6553fece69a8 Mon Sep 17 00:00:00 2001
From: Mina-Ebraheem <64787775+mina123-daniel@users.noreply.github.com>
Date: Fri, 28 Aug 2026 11:37:34 +0200
Subject: [PATCH] Implement baking and preparation time functions

Define constants for expected bake time and preparation time. Implement functions to calculate bake time remaining, preparation time, and elapsed time in minutes.
---
 .../guidos-gorgeous-lasagna/lasagna.py        | 33 ++++++++++++++++---
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/exercises/concept/guidos-gorgeous-lasagna/lasagna.py b/exercises/concept/guidos-gorgeous-lasagna/lasagna.py
index bdf8ca9b77..88459598da 100644
--- a/exercises/concept/guidos-gorgeous-lasagna/lasagna.py
+++ b/exercises/concept/guidos-gorgeous-lasagna/lasagna.py
@@ -9,10 +9,11 @@
 
 
 #TODO (student): define your EXPECTED_BAKE_TIME (required) and PREPARATION_TIME (optional) constants below.
-
+EXPECTED_BAKE_TIME = 60
+PREPARATION_TIME =  2
 
 #TODO (student): Remove 'pass' and complete the 'bake_time_remaining()' function below.
-def bake_time_remaining():
+def bake_time_remaining(elapsed_bake_time):
     """Calculate the bake time remaining.
 
     Parameters:
@@ -25,19 +26,43 @@ def bake_time_remaining():
     an argument and returns how many minutes the lasagna still needs to bake
     based on the `EXPECTED_BAKE_TIME`.
     """
-
-    pass
+    return (EXPECTED_BAKE_TIME - elapsed_bake_time)
 
 
 #TODO (student): Define the 'preparation_time_in_minutes()' function below.
 # To avoid the use of magic numbers (see: https://en.wikipedia.org/wiki/Magic_number_(programming)), you should define a PREPARATION_TIME constant.
 # You can do that on the line below the 'EXPECTED_BAKE_TIME' constant.
 # This will make it easier to do calculations, and make changes to your code.
+def preparation_time_in_minutes(number_of_layers):
+    """Calculate the preparation time in minutes.
+
+    Parameters:
+        number_of_layers (int): The number of layers.
 
+    Returns:
+        int: the total minutes needs to prepare the lasagna .
 
+    Function that takes the number of the layers to make lasagna, and 
+    return the total minutes to make it`.
+    """
+    return number_of_layers * PREPARATION_TIME
 
 #TODO (student): define the 'elapsed_time_in_minutes()' function below.
+def elapsed_time_in_minutes(number_of_layers, elapsed_bake_time):
+    """Calculate the elapsed_time_in_minutes.
 
+    Parameters:
+        number_of_layers (the number of layers added to the lasagna)
+        elapsed_bake_time (the number of minutes the lasagna has spent baking in the oven already).
+
+    Returns:
+        int: the total minutes you have been in the kitchen cooking .
+
+    Function should return the total minutes you have been in the kitchen cooking — 
+    your preparation time layering + the time the lasagna has spent baking in the oven.`.
+    """
+    return number_of_layers + elapsed_bake_time
+    
 
 
 # TODO (student): Remember to go back and add docstrings to all your functions