diff --git a/src/homework3-sort/bubble_sort.py b/src/homework3-sort/bubble_sort.py
new file mode 100644
index 0000000..430c4b4
--- /dev/null
+++ b/src/homework3-sort/bubble_sort.py
@@ -0,0 +1,15 @@
+def bubble_sort(a):
+    n = len(a)
+    for i in range(n):
+        for j in range(0, n-i-1):
+            if a[j]>a[j+1]:
+                a[j], a[j+1] = a[j+1], a[j]
+    return a
+
+d = []
+size = int(input('введите размер массива '))
+for i in range(size):
+    x = int(input('введите элемент массива '))
+    d.append(x)
+
+print(bubble_sort(d))