diff --git a/pisomka/testovanie.py b/pisomka/testovanie.py
new file mode 100644
index 0000000..5612903
--- /dev/null
+++ b/pisomka/testovanie.py
@@ -0,0 +1,52 @@
+def pocet_samohlasok(text):
+    samohlasky = "aeyuio"
+    counter = 0
+    for i in text.lower():
+        if i in samohlasky:
+            counter +=1
+    return counter
+
+def najdlhsie_slovo(veta):
+    slova = veta.split()
+    najdlshie = ""
+    for slovo in slova:
+        if len(slovo) > len(najdlshie):
+            najdlshie = slovo
+    return najdlshie
+
+def striedaj_velkost(text):
+    result = ""
+    for i, znak in enumerate(text):
+        if i % 2 == 0:
+            result.append(znak.upper())
+        else:
+            result.append(znak.lower())
+    return result
+
+def sucet_parnych(cisla):
+    parni = []
+    for cislo in cisla:
+        if cislo % 2 == 0:
+            parni.append(cislo)
+    suma = sum(parni)
+    return suma
+
+
+
+def bez_duplikatov(cisla):
+    duplikaty = []
+    for cislo in cisla:
+        if cislo not in duplikaty:
+            duplikaty.append(cislo)
+    return duplikaty
+
+def frekvencia(text):
+    vysledok = {}
+    for znak in text:
+        if znak in vysledok:
+            vysledok[znak] +=1
+        else:
+            vysledok[znak] = 1
+    return vysledok
+
+
diff --git a/u1/two_fer.py b/u1/two_fer.py
index 973818f..ddd4535 100644
--- a/u1/two_fer.py
+++ b/u1/two_fer.py
@@ -1,4 +1,5 @@
 def two_fer(name ='teba'):
     if not name:
         name = 'teba'
-    return f'Jeden pre {name}, jeden pre mňa
\ No newline at end of file
+    return f'Jeden pre {name}, jeden pre mňa'
+print(two_fer("Janka"))
\ No newline at end of file
diff --git a/u7/hash_table.py b/u7/hash_table.py
new file mode 100644
index 0000000..a91a272
--- /dev/null
+++ b/u7/hash_table.py
@@ -0,0 +1,19 @@
+class HashTable:
+    def __init__(self, capacity=10):
+        if type(capacity) is not int:
+            raise TypeError("Kapacita musí byť celé číslo (int)")
+        if capacity <= 0:
+            raise ValueError("Kapacita musí byť kladné číslo")
+        self.__capacity = capacity
+        self._size = 0
+
+        self.empty = object()
+        self.deleted = object()
+        self.slots = [self.empty] * self.__capacity
+
+    @property
+    def capacity(self):
+        return self.__capacity
+    def _check_key(self, key):
+        if not isinstance(key, str):
+            raise TypeError("Kľúč musí byť reťazec (str)")
\ No newline at end of file