From f7f162ef69cb1e9c2c4d2836effc6f02c0bed6b9 Mon Sep 17 00:00:00 2001
From: Akshay Dubey <akshay.dubey055@gmail.com>
Date: Thu, 10 Nov 2022 10:17:37 +0530
Subject: [PATCH 1/3] feat: Add twin prime algorithm

---
 maths/twin_prime.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 maths/twin_prime.py

diff --git a/maths/twin_prime.py b/maths/twin_prime.py
new file mode 100644
index 000000000000..883bd43dba59
--- /dev/null
+++ b/maths/twin_prime.py
@@ -0,0 +1,45 @@
+"""
+== Twin Prime ==
+A number n+2 is said to be a Twin prime of number n if
+both n and n+2 are prime.
+
+Examples of Twin pairs: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), ...
+https://en.wikipedia.org/wiki/Twin_prime
+"""
+
+# Author : Akshay Dubey (https://github.com/itsAkshayDubey)
+from prime_check import is_prime
+
+
+def twin_prime(number: int) -> int:
+    """
+    # doctest: +NORMALIZE_WHITESPACE
+    This functions takes an integer number as input.
+    returns n+2 if n and n+2 are prime numbers and -1 otherwise.
+    >>> twin_prime(3)
+    5
+    >>> twin_prime(4)
+    -1
+    >>> twin_prime(5)
+    7
+    >>> twin_prime(17)
+    19
+    >>> twin_prime(0)
+    -1
+    >>> twin_prime(6.0)
+    Traceback (most recent call last):
+        ...
+    TypeError: Input value of [number=6.0] must be an integer
+    """
+    if not isinstance(number, int):
+        raise TypeError(f"Input value of [number={number}] must be an integer")
+    if is_prime(number) and is_prime(number + 2):
+        return number + 2
+    else:
+        return -1
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()
\ No newline at end of file

From b2c519cb813507f8bb2817d5c0fa5b253ed1995d Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Thu, 10 Nov 2022 04:49:59 +0000
Subject: [PATCH 2/3] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 maths/twin_prime.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maths/twin_prime.py b/maths/twin_prime.py
index 883bd43dba59..045aa733d41d 100644
--- a/maths/twin_prime.py
+++ b/maths/twin_prime.py
@@ -42,4 +42,4 @@ def twin_prime(number: int) -> int:
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
\ No newline at end of file
+    doctest.testmod()

From ae3f6a041438467f47a4474d290382c4921b364f Mon Sep 17 00:00:00 2001
From: Akshay Dubey <akshay.dubey055@gmail.com>
Date: Thu, 10 Nov 2022 10:45:36 +0530
Subject: [PATCH 3/3] fix: Fix broken import statement

---
 maths/twin_prime.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maths/twin_prime.py b/maths/twin_prime.py
index 883bd43dba59..40de5bb5d124 100644
--- a/maths/twin_prime.py
+++ b/maths/twin_prime.py
@@ -8,7 +8,7 @@
 """
 
 # Author : Akshay Dubey (https://github.com/itsAkshayDubey)
-from prime_check import is_prime
+from maths.prime_check import is_prime
 
 
 def twin_prime(number: int) -> int: