add solutions week 254 in python

1 files changed, 24 insertions, 0 deletions

diff --git a/challenge-254/steven-wilson/python/ch-01.py b/challenge-254/steven-wilson/python/ch-01.py
new file mode 100644
index 0000000000..6c51d189e2
--- /dev/null
+++ b/challenge-254/steven-wilson/python/ch-01.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+import math
+
+
+def is_power_three(number):
+    ''' Given a positive integer. Returns true if the given integer is a power
+    of three otherwise returns false.
+
+    >>> is_power_three(27)
+    True
+    >>> is_power_three(0)
+    True
+    >>> is_power_three(6)
+    False
+    '''
+    cr = round(math.pow(number, 1/3), 6)
+    return ((cr - int(cr)) == 0)
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()