diff --git a/python/s1/s1_a51.py b/python/s1/s1_a51.py
index 5c9fc9f..93de484 100644
--- a/python/s1/s1_a51.py
+++ b/python/s1/s1_a51.py
@@ -1,18 +1,17 @@
-import numpy as np
-a=np.array([[3,0,-2,11],[0,0,9,0],[0,7,0,0],[0,0,0,-3]])
+#Aufgabe 1a)
+my_list = [[3,0,-2,11],[0,0,9,3],[0,7,0,0],[0,0,0,-3]]
 
-print(a)
+#Aufgabe 1b)
+#my_list = [[], [], [], []]
+#MAX_LENGTH = 4
+#for i in range(0, MAX_LENGTH):
+#    for j in range(0, MAX_LENGTH):
+#        n = int(input("Enter n:"))
+#        my_list[i].insert(j, n)
+#        
+#    print(my_list) 
 
-my_list = [[], [], [], []]
-MAX_LENGTH = 4
-for i in range(0, MAX_LENGTH):
-    for j in range(0, MAX_LENGTH):
-        n = int(input("Enter n:"))
-        my_list[i].insert(j, n)
-        
-    print(my_list)  
-
-print()
+#Aufgabe 1d)
 for i, row in enumerate(my_list):
     for j, item in enumerate(row):
         print(f'a[{i}] [{j}] = {item} ', end=' ')