diff --git a/2.Erste Programme/3. BubbleSort Python/main.py b/2.Erste Programme/3. BubbleSort Python/main.py
new file mode 100644
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+++ b/2.Erste Programme/3. BubbleSort Python/main.py	
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+import math
+import random
+
+# BubbleSort
+
+def askUser():
+    print("Random Numbers: Yes / No")
+    RandomNumbersinput = input()
+    if RandomNumbersinput == "Yes":
+        randomNumbers()
+    elif RandomNumbersinput == "No":
+        userNumbers()
+    else:
+        print("Wrong Input")
+        askUser()
+def randomNumbers():
+    print("How many numbers do you want to sort?")
+    number = int(input())
+    list = []
+    for i in range(number):
+        list.append(random.randint(0,100))
+    print(list)
+    bubbleSort(list)
+    print(list)
+def userNumbers():
+    print("How many numbers do you want to sort?")
+    number = int(input())
+    list = []
+    for i in range(number):
+        print("Enter number:")
+        list.append(int(input()))
+    print(list)
+    bubbleSort(list)
+    print(list)
+def bubbleSort(list):
+    # BubbleSort
+     # first loop
+    for i in range(len(list)):
+        # second loop
+        for j in range(len(list)-1):
+            if list[j] > list[j+1]:
+                list[j], list[j+1] = list[j+1], list[j]
+    return list
+
+# Main
+askUser()
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