diff --git a/python/src/module2/1.py b/python/src/module2/1.py
new file mode 100644
index 0000000..1c0ae46
--- /dev/null
+++ b/python/src/module2/1.py
@@ -0,0 +1,12 @@
+n = int(input())
+arr = list(map(int, input().split()))
+swaps = 0
+for i in range(n-1):
+    for j in range(0, n-i-1):
+        if arr[j] > arr[j+1]:
+            arr[j], arr[j+1] = arr[j+1], arr[j]
+            swaps += 1
+            print(" ".join(map(str, arr)))
+    if swaps == 0:
+        print(0)
+        break
\ No newline at end of file
diff --git a/python/src/module2/2.py b/python/src/module2/2.py
new file mode 100644
index 0000000..d4132dd
--- /dev/null
+++ b/python/src/module2/2.py
@@ -0,0 +1,16 @@
+n = int(input())
+all_elems = []
+for i in range(n):
+    nums = list(map(int, input().split()))
+    all_elems.append(nums)
+
+for i in range(n-1):
+    for j in range(n-1-i):
+        if all_elems[j][1] < all_elems[j+1][1]:
+            all_elems[j] , all_elems[j+1] = all_elems[j+1], all_elems[j]
+        if all_elems[j][1] == all_elems[j+1][1]:
+            if all_elems[j][0] > all_elems[j+1][0]:
+                all_elems[j] , all_elems[j+1] = all_elems[j+1], all_elems[j]
+
+for i in range(n):
+    print(*all_elems[i])
\ No newline at end of file
diff --git a/python/src/module2/5.py b/python/src/module2/5.py
new file mode 100644
index 0000000..ce1116c
--- /dev/null
+++ b/python/src/module2/5.py
@@ -0,0 +1,3 @@
+n = int(input())
+nums = set(map(int, input().split()))
+print(len(nums))
\ No newline at end of file