diff --git a/u5/kindergarten_garden.py b/u5/kindergarten_garden.py
index 80890dc..b8da806 100644
--- a/u5/kindergarten_garden.py
+++ b/u5/kindergarten_garden.py
@@ -1,32 +1,35 @@
+```python
 class NoSuchStudentException(Exception):
     pass
 
 
 class Garden:
     DEFAULT_STUDENTS = [
-        "Alice", "Bob", "Charlie", "David",
-        "Eve", "Fred", "Ginny", "Harriet",
-        "Ileana", "Joseph", "Kincaid", "Larry"
+        "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=None):
         if students is None:
-            self.students = sorted(self.DEFAULT_STUDENTS)
+            self.students = self.DEFAULT_STUDENTS.copy()
         else:
             self.students = sorted(students)
-        
+
         self.r = diagram.splitlines()
 
     def plants(self, student):
         if student not in self.students:
-            raise NoSuchStudentException(f"Student '{student}' is not assigned a plot.")
+            raise NoSuchStudentException(
+                f"Student '{student}' is not assigned a plot."
+            )
 
         i = self.students.index(student)
         c1 = i * 2
@@ -39,4 +42,5 @@ class Garden:
             self.r[1][c2]
         ]
 
-        return [self.PLANT_MAP[code] for code in student_plants]
\ No newline at end of file
+        return [self.PLANT_MAP[code] for code in student_plants]
+```