diff --git a/Aufgabe 4.py b/Aufgabe 4.py
index 78ce1f4..4817317 100644
--- a/Aufgabe 4.py	
+++ b/Aufgabe 4.py	
@@ -1,2 +1,17 @@
+import math
+def reziprok(x):
+    check = True
+    summe = 0
+
+    i = 1
+    while(check):
+        summe+= 1/(i*i)
+        i += 1
+        if(round(summe,6) == x):
+            check = False
+            print(f"Number of runs: {i}" )
+            print(f"π^2/6: {x}")
+
 if __name__ == '__main__':
-    print("test")
\ No newline at end of file
+    x = (math.pi*math.pi)/6
+    reziprok(round(x,6))