actualizado codigo

fizzbuzz.py

@@ -5,5 +5,15 @@ def fizzbuzz(n:int) -> str:
     And for the multiples of five print "Buzz". 
     For numbers which are multiples of both three and five print "FizzBuzz".
     """
-    return ""
+    return_value = ""
+    if n%3 == 0:
+        return_value += "Fizz"
+
+    if n%5 == 0:
+        return_value += "Buzz"
+
+    if len(return_value) == 0:
+        return_value = str(n)
+
+    return return_value