diff --git a/backtracking/all_permutations.py b/backtracking/all_permutations.py
index f376e6fa0945..691b2a2b7592 100644
--- a/backtracking/all_permutations.py
+++ b/backtracking/all_permutations.py
@@ -10,6 +10,16 @@
 
 
 def generate_all_permutations(sequence: list[int | str]) -> None:
+    """
+    Generate and print all possible permutations of the given sequence.
+
+    >>> generate_all_permutations([1, 2])
+    [1, 2]
+    [2, 1]
+    >>> generate_all_permutations(["A", "B"])
+    ['A', 'B']
+    ['B', 'A']
+    """
     create_state_space_tree(sequence, [], 0, [0 for i in range(len(sequence))])
 
 
diff --git a/backtracking/all_subsequences.py b/backtracking/all_subsequences.py
index 18696054eb7e..43ae4fed747c 100644
--- a/backtracking/all_subsequences.py
+++ b/backtracking/all_subsequences.py
@@ -12,6 +12,21 @@
 
 
 def generate_all_subsequences(sequence: list[Any]) -> None:
+    """
+    Generate and print all possible subsequences of the given sequence.
+
+    >>> generate_all_subsequences([1, 2])
+    []
+    [2]
+    [1]
+    [1, 2]
+    >>> generate_all_subsequences(["A", "B"])
+    []
+    ['B']
+    ['A']
+    ['A', 'B']
+    """
+
     create_state_space_tree(sequence, [], 0)