diff --git a/BMI_TAhmad b/BMI_TAhmad
index d015cc4..1945f69 100644
--- a/BMI_TAhmad
+++ b/BMI_TAhmad
@@ -1 +1,32 @@
-Hello this is a test. 
\ No newline at end of file
+<<<<<<< Updated upstream
+calculate_bmi <- function(weight_kg, height_m) {
+=======
+# Calculate BMI
+bmi <- calculate_bmi(weight_kg, height_m)
+print(paste("The BMI is", bmi))calculate_bmi <- function(weight_kg, height_m) {
+>>>>>>> Stashed changes
+  # Check if the input values are valid
+  if(weight_kg <= 0 || height_m <= 0) {
+    stop("Weight and height must be greater than zero.")
+  }
+  
+  # Calculate BMI
+  bmi <- weight_kg / (height_m^2)
+  
+  # Return the calculated BMI
+  return(bmi)
+}
+
+<<<<<<< Updated upstream
+#Example
+# weight in kilograms
+weight_kg <- 70
+# height in meters
+height_m <- 1.75
+=======
+# Example usage:
+# weight in kilograms
+weight_kg <- 70
+# height in meters
+height_m <- 1.75
+>>>>>>> Stashed changes