diff --git a/Stunde 2/Ergebnisse/calc.py b/Stunde 2/Ergebnisse/calc.py
new file mode 100644
index 0000000..136c70e
--- /dev/null
+++ b/Stunde 2/Ergebnisse/calc.py	
@@ -0,0 +1,40 @@
+from math import sqrt
+
+
+class calculator():
+
+    def __init__(self):
+        self.mem_number_1 = 0
+        self.mem_number_2 = 0
+        self.mem_res = 0
+
+    # nimmt a^2 + b^2 und zieht die Wurzel für c
+    def pythagoras(self, numA, numB):
+        numA = numA**2
+        numB = numB**2
+        summe = self.addition(numA, numB)
+        numC = sqrt(summe)
+        self.mem_res = numC
+        return numC
+
+    # addiert 2 Werte
+    def addition(self, a, b):
+        result = a + b
+        self.mem_res = result
+        return result
+
+# wiederholt fortlaufend
+if __name__ == "__main__":
+    while True:
+        current_calc = calculator()
+        print("Enter values")
+        a = int(input("a: "))
+        b = int(input("b: "))
+        operation = int(input("What to do: [1 : Addition, 2 : Pythagoras]: "))
+
+        if operation == 1:
+            print("Summe: ", current_calc.addition(a, b))
+        elif operation == 2:
+            print("c: ", current_calc.pythagoras(a, b))
+
+        
\ No newline at end of file
diff --git a/Stunde 2/Ergebnisse/calculator_app.py b/Stunde 2/Ergebnisse/calculator_app.py
new file mode 100644
index 0000000..2a15099
--- /dev/null
+++ b/Stunde 2/Ergebnisse/calculator_app.py	
@@ -0,0 +1,9 @@
+from calc import calculator as calc
+
+print("erfolgreich importiert")
+
+current_calc = calc()
+
+print(current_calc.pythagoras(3, 4))
+print(current_calc.addition(current_calc.mem_res, 20))
+
diff --git a/Stunde 2/Ergebnisse/for.py b/Stunde 2/Ergebnisse/for.py
new file mode 100644
index 0000000..d1df204
--- /dev/null
+++ b/Stunde 2/Ergebnisse/for.py	
@@ -0,0 +1,27 @@
+i = 0
+
+while True:
+    i += 1 
+    print("Hallo!", i)
+    if i == 5:
+        break
+
+
+for i in range(5):
+    print("Hallo!", i+1)
+
+
+names: list = ["Max Mustermann", "Thies Körner", "Christoph Treusch von Buttlar"]
+print(names)
+
+for name in names:
+    print(name)
+
+
+students: list[dict] = [{"name": "Max Mustermann", "age": 25, "favorite_colour": "blue"}, 
+                        {"name": "Thies Körner", "age": 16, "favorite_colour": "purple"}]
+print(students)
+
+for student in students:
+    print(student["name"], student["age"], student["favorite_colour"])
+
diff --git a/Stunde 2/Ergebnisse/functions.py b/Stunde 2/Ergebnisse/functions.py
new file mode 100644
index 0000000..6974a34
--- /dev/null
+++ b/Stunde 2/Ergebnisse/functions.py	
@@ -0,0 +1,11 @@
+
+# def leitet sich von define ab
+# in den Klammern sind die Parameter (hier a, b)
+def addition(a, b):
+    result = a + b
+    return result
+
+summe = addition(10, 20)
+print(summe)
+summe1 = addition(summe, 0.25)
+print(summe1)