diff --git a/u5/kindergarten_garden.py b/u5/kindergarten_garden.py
index ef058ba..68384a4 100644
--- a/u5/kindergarten_garden.py
+++ b/u5/kindergarten_garden.py
@@ -1,44 +1,45 @@
 class NoSuchStudentException(Exception):
-    """Raised when plants are requested for a student not assigned a plot."""
     pass
 
-
-
 class Garden:
     DEFAULT_STUDENTS = [
-        "Alena"
-        "Boris"
-        "Cyril"
-        "Daniel"
-        "Eva"
-        "František"
-        "Gitka"
-        "Helena"
-        "Ivana"
-        "Jozef"
-        "Karol"
-        "Ladislav"
+        "Alena",
+        "Boris",
+        "Cyril",
+        "Daniel",
+        "Eva",
+        "František",
+        "Gitka",
+        "Helena",
+        "Ivana",
+        "Jozef",
+        "Karol",
+        "Ladislav",
     ]
 
     PLANT_MAP = {
-        "G":"Tráva",
-        "C":"Ďatelina",
-        "R":"Reďkovky",
-        "V":"Fialky",
+        "G": "Tráva",
+        "C": "Ďatelina",
+        "R": "Reďkovky",
+        "V": "Fialky",
     }
 
-    def __init__(self, diagram, students=DEFAULT_STUDENTS):
-        self.students = sorted(students)
+    def __init__(self, diagram, students=None):
         self.rows = diagram.split("\n")
+        if students is None:
+            num_students = len(self.rows[0]) // 2
+            self.students = sorted(self.DEFAULT_STUDENTS[:num_students])
+        else:
+            self.students = sorted(students)
 
     def plants(self, student_name):
         if student_name not in self.students:
             raise NoSuchStudentException("Ziak neexistuje")
 
-        index = self.student.index(student_name)
-        start = index *2
-        end = start +2
+        index = self.students.index(student_name)
+        start = index * 2
+        end = start + 2
 
-        plant_chars = self.rows[0][start:end] +self.rows[1][start.end]
+        plant_chars = self.rows[0][start:end] + self.rows[1][start:end]
 
         return [self.PLANT_MAP[char] for char in plant_chars]
\ No newline at end of file