[pre-commit.ci] pre-commit autoupdate -- ruff 2025 stable format (#12521)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.8.6 → v0.9.1](https://github.com/astral-sh/ruff-pre-commit/compare/v0.8.6...v0.9.1)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update maths/dual_number_automatic_differentiation.py

* Update maths/dual_number_automatic_differentiation.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update dual_number_automatic_differentiation.py

* Update dual_number_automatic_differentiation.py

* No <fin-streamer> tag with the specified data-test attribute found.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

dynamic_programming/climbing_stairs.py

@@ -25,9 +25,9 @@ def climb_stairs(number_of_steps: int) -> int:
         ...
     AssertionError: number_of_steps needs to be positive integer, your input -7
     """
-    assert (
-        isinstance(number_of_steps, int) and number_of_steps > 0
-    ), f"number_of_steps needs to be positive integer, your input {number_of_steps}"
+    assert isinstance(number_of_steps, int) and number_of_steps > 0, (
+        f"number_of_steps needs to be positive integer, your input {number_of_steps}"
+    )
     if number_of_steps == 1:
         return 1
     previous, current = 1, 1

dynamic_programming/iterating_through_submasks.py

@@ -37,9 +37,9 @@ def list_of_submasks(mask: int) -> list[int]:
 
     """
 
-    assert (
-        isinstance(mask, int) and mask > 0
-    ), f"mask needs to be positive integer, your input {mask}"
+    assert isinstance(mask, int) and mask > 0, (
+        f"mask needs to be positive integer, your input {mask}"
+    )
 
     """
     first submask iterated will be mask itself then operation will be performed

dynamic_programming/matrix_chain_multiplication.py

@@ -134,7 +134,7 @@ def elapsed_time(msg: str) -> Iterator:
 
     start = perf_counter_ns()
     yield
-    print(f"Finished: {msg} in {(perf_counter_ns() - start) / 10 ** 9} seconds.")
+    print(f"Finished: {msg} in {(perf_counter_ns() - start) / 10**9} seconds.")
 
 
 if __name__ == "__main__":