diff --git a/Uebung-06/main.py b/Uebung-06/main.py
new file mode 100644
index 0000000..3402e59
--- /dev/null
+++ b/Uebung-06/main.py
@@ -0,0 +1,101 @@
+NODES = ["in","p1","p2","p3","p4","p5","p6","p7","p8","p9","p10","p11","p12","p13","out"]
+
+SUCCESSORS = {
+    "in":  {"p1"},
+    "p1":  {"p2"},
+    "p2":  {"p3"},
+    "p3":  {"p4"},
+    "p4":  {"p5"},
+    "p5":  {"p6"},
+    "p6":  {"p7","out"},
+    "p7":  {"p8"},
+    "p8":  {"p9"},
+    "p9":  {"p10","p11"},
+    "p10": {"p12"},
+    "p11": {"p12"},
+    "p12": {"p13"},
+    "p13": {"p6"},
+    "out": set()
+}
+
+USE = {
+    "in":  set(),
+    "p1":  set(),
+    "p2":  set(),
+    "p3":  set(),
+    "p4":  {"i","j"},
+    "p5":  set(),
+    "p6":  {"s"},
+    "p7":  {"s"},
+    "p8":  {"i","j","f"},
+    "p9":  {"c"},
+    "p10": {"j","c"},
+    "p11": {"j","c"},
+    "p12": {"j","f"},
+    "p13": {"s"},
+    "out": set()
+}
+
+DEF = {
+    "in":  set(),
+    "p1":  {"s"},
+    "p2":  {"i"},
+    "p3":  {"j"},
+    "p4":  {"t"},
+    "p5":  {"f"},
+    "p6":  set(),
+    "p7":  {"a"},
+    "p8":  {"c"},
+    "p9":  set(),
+    "p10": {"j"},
+    "p11": {"i"},
+    "p12": {"i"},
+    "p13": {"s"},
+    "out": set()
+}
+
+def pretty_print(iteration, nodes, IN, OUT):
+    w_v   = 6
+    w_set = 32
+
+    def fmt(s):
+        return "{" + ", ".join(sorted(s)) + "}"
+
+    print(f"\nIteration {iteration}")
+    print("=" * (w_v + 2*w_set + 7))
+    print(f"{'v':<{w_v}} | {'IN':<{w_set}} | {'OUT':<{w_set}}")
+    print("-" * (w_v + 2*w_set + 7))
+
+    for v in nodes:
+        print(
+            f"{v:<{w_v}} | "
+            f"{fmt(IN[v]):<{w_set}} | "
+            f"{fmt(OUT[v]):<{w_set}}"
+        )
+
+    print("=" * (w_v + 2*w_set + 7))
+
+i = 0
+IN  = {v: set() for v in NODES}
+OUT = {v: set() for v in NODES}
+
+for v in NODES:
+    IN[v] = USE[v]
+pretty_print(i, NODES, IN, OUT)
+
+changed = True
+while changed:
+    changed = False
+    i += 1
+
+    for v in NODES:
+        old_in = IN[v].copy()
+        old_out = OUT[v].copy()
+
+        OUT[v] = set().union(*(IN[s] for s in SUCCESSORS[v]))
+        IN[v] = USE[v] | (OUT[v] - DEF[v])
+
+        if IN[v] != old_in or OUT[v] != old_out:
+            changed = True
+
+    pretty_print(i, NODES, IN, OUT)
\ No newline at end of file