From e6a1a34546794e966097616b0f71756ac4836b87 Mon Sep 17 00:00:00 2001
From: rtang09 <49603415+rtang09@users.noreply.github.com>
Date: Mon, 9 Oct 2023 23:18:56 -0700
Subject: [PATCH 1/2] Update primelib.py

added cases
---
 maths/primelib.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/maths/primelib.py b/maths/primelib.py
index cf01750cf912..e4037e31c176 100644
--- a/maths/primelib.py
+++ b/maths/primelib.py
@@ -38,7 +38,7 @@
 """
 
 from math import sqrt
-
+import doctest
 from maths.greatest_common_divisor import gcd_by_iterative
 
 
@@ -46,6 +46,15 @@ def is_prime(number: int) -> bool:
     """
     input: positive integer 'number'
     returns true if 'number' is prime otherwise false.
+
+    >>> is_prime(97)
+    True
+    >>> is_prime(9991)
+    False
+    >>> is_prime(-3)
+    Traceback (most recent call last):
+        ...
+    AssertionError: 'number' must been an int and positive
     """
 
     # precondition
@@ -589,3 +598,6 @@ def fib(n):
         fib1 = tmp
 
     return ans
+
+if __name__ == "__main__":
+    doctest.testmod()

From 0fa033e24895a6a5540272eb592f7ab8f08d83db Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 10 Oct 2023 06:24:07 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

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

diff --git a/maths/primelib.py b/maths/primelib.py
index e4037e31c176..92ebb5006627 100644
--- a/maths/primelib.py
+++ b/maths/primelib.py
@@ -599,5 +599,6 @@ def fib(n):
 
     return ans
 
+
 if __name__ == "__main__":
     doctest.testmod()