From 6d44cdd315e1fbff10fb03d9d8b4645183a6a8e5 Mon Sep 17 00:00:00 2001
From: Du YuanChao <shellhub.me@gmail.com>
Date: Thu, 31 Oct 2019 19:33:40 +0800
Subject: [PATCH] perfect square (#1534)

* perfect square

* perfect square
---
 maths/perfect_square.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 maths/perfect_square.py

diff --git a/maths/perfect_square.py b/maths/perfect_square.py
new file mode 100644
index 000000000..9b868c5de
--- /dev/null
+++ b/maths/perfect_square.py
@@ -0,0 +1,27 @@
+import math
+
+
+def perfect_square(num: int) -> bool:
+    """
+    Check if a number is perfect square number or not
+    :param num: the number to be checked
+    :return: True if number is square number, otherwise False
+
+    >>> perfect_square(9)
+    True
+    >>> perfect_square(16)
+    True
+    >>> perfect_square(1)
+    True
+    >>> perfect_square(0)
+    True
+    >>> perfect_square(10)
+    False
+    """
+    return math.sqrt(num) * math.sqrt(num) == num
+
+
+if __name__ == '__main__':
+    import doctest
+
+    doctest.testmod()