diff --git a/3-dezember.py b/3-dezember.py
new file mode 100644
index 0000000..6a98419
--- /dev/null
+++ b/3-dezember.py
@@ -0,0 +1,24 @@
+from machine import Pin
+import time
+
+knopf1 = Pin(13, Pin.IN, Pin.PULL_DOWN)
+knopf2 = Pin(8, Pin.IN, Pin.PULL_DOWN)
+knopf3 = Pin(3, Pin.IN, Pin.PULL_DOWN)
+rot = Pin(20, Pin.OUT)
+gelb = Pin(19, Pin.OUT)
+gruen = Pin(18, Pin.OUT)
+rot.value(0)
+gelb.value(0)
+gruen.value(0)
+
+while True:
+    time.sleep(0.2)
+    
+    if knopf1.value() == 1:
+        print("Knopf 1 gedrückt")
+        rot.toggle()
+    if knopf2.value() == 1:
+        print("Knpf 2 gedrückt")
+        gelb.toggle()
+    if knopf3.value() == 1:
+        gruen.toggle()