From 105410e312a65c8036adfe5d987be4aff98c210c Mon Sep 17 00:00:00 2001
From: shellhub <shellhub.me@gmail.com>
Date: Thu, 5 Nov 2020 09:13:25 +0800
Subject: [PATCH 1/3] sum to n recursion

---
 maths/sum_to_n_recursion.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 maths/sum_to_n_recursion.py

diff --git a/maths/sum_to_n_recursion.py b/maths/sum_to_n_recursion.py
new file mode 100644
index 0000000..01460f3
--- /dev/null
+++ b/maths/sum_to_n_recursion.py
@@ -0,0 +1,16 @@
+def sum_to_n_recursion(number: int) -> int:
+    """
+    >>> sum_to_n_recursion(0)
+    0
+    >>> sum_to_n_recursion(10)
+    55
+    >>> sum_to_n_recursion(100)
+    5050
+    """
+    return 0 if number == 0 else number + sum_to_n_recursion(number - 1)
+
+
+if __name__ == '__main__':
+    from doctest import testmod
+
+    testmod()

From 4f548fa58def309a184499b290a2452b54e5431d Mon Sep 17 00:00:00 2001
From: shellhub <shellhub.me@gmail.com>
Date: Thu, 5 Nov 2020 09:22:48 +0800
Subject: [PATCH 2/3] add sum_big_numbers

---
 maths/sum_big_numbers.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 maths/sum_big_numbers.py

diff --git a/maths/sum_big_numbers.py b/maths/sum_big_numbers.py
new file mode 100644
index 0000000..3d65fb6
--- /dev/null
+++ b/maths/sum_big_numbers.py
@@ -0,0 +1,12 @@
+def sum_big_numbers(first_number: int, second_number: int):
+    """
+    >>> sum_big_numbers(1234567891011121314151617181920, 2019181716151413121110987654321)
+    3253749607162534435262604836241
+    """
+    return first_number + second_number
+
+
+if __name__ == '__main__':
+    from doctest import testmod
+
+    testmod()

From b75b3b3a8454815223c05b0605840f88b13f06e1 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Thu, 5 Nov 2020 01:25:53 +0000
Subject: [PATCH 3/3] Formatted with psf/black

---
 maths/sum_big_numbers.py    | 2 +-
 maths/sum_to_n_recursion.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/maths/sum_big_numbers.py b/maths/sum_big_numbers.py
index 3d65fb6..539b7d4 100644
--- a/maths/sum_big_numbers.py
+++ b/maths/sum_big_numbers.py
@@ -6,7 +6,7 @@ def sum_big_numbers(first_number: int, second_number: int):
     return first_number + second_number
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     from doctest import testmod
 
     testmod()
diff --git a/maths/sum_to_n_recursion.py b/maths/sum_to_n_recursion.py
index 01460f3..fa1e154 100644
--- a/maths/sum_to_n_recursion.py
+++ b/maths/sum_to_n_recursion.py
@@ -10,7 +10,7 @@ def sum_to_n_recursion(number: int) -> int:
     return 0 if number == 0 else number + sum_to_n_recursion(number - 1)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     from doctest import testmod
 
     testmod()