src/codewars/kata_next_bigger_number_same_digits.py

@@ -0,0 +1,16 @@
+def next_bigger(n):
+    digits = list(str(n))
+    digits.sort(reverse=True)
+    number = int("".join(digits))
+    if number == n:
+        return -1
+
+    for i in range(n + 1, number + 1):
+        higher_number = list(str(i))
+        higher_number.sort(reverse=True)
+
+        if higher_number == digits:
+            return i
+
+
+print(next_bigger(84876644310))

tests/codewars/test_next_bigger_number_same_digits.py

@@ -0,0 +1,11 @@
+from src.codewars.kata_next_bigger_number_same_digits import next_bigger
+
+
+def test_next_bigger():
+    assert next_bigger(12) == 21
+    assert next_bigger(21) == -1
+    assert next_bigger(513) == 531
+    assert next_bigger(2017) == 2071
+    assert next_bigger(414) == 441
+    assert next_bigger(144) == 414
+    # assert next_bigger(84876644310) ==