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diff --git a/challenge-081/lubos-kolouch/python/ch-1.py b/challenge-081/lubos-kolouch/python/ch-1.py
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+#!/bin/env python
+""" ===============================================================================
+#
+#         FILE: ch-1.py
+#
+#        USAGE: ./ch-1.py 
+#
+#  DESCRIPTION: Perl Weekly Challenge 081
+#  				https://perlweeklychallenge.org/blog/perl-weekly-challenge-081/
+#  				Task 1 - Common base string 
+#
+#       AUTHOR: Lubos Kolouch
+#      CREATED: 10/09/2020 10:43:10 AM
+#===============================================================================
+"""
+import re
+
+
+def get_common_strings(str1, str2):
+    """ Find and return the common strings """
+
+    result = []
+    res1 = re.match(r'(.*)\1+', str1)
+
+    result.append(res1.group(1))
+
+    res2 = re.match(r'(.*)\1+', str2)
+    if res1.group(1) != res2.group(1):
+        result.append(res2.group(1))
+
+    return result
+
+
+assert get_common_strings('abcdabcd', 'abcdabcdabcdabcd') == ['abcd','abcdabcd']
+assert get_common_strings('aaa', 'aa') == ['a']
+assert get_common_strings('abc', 'aa') == ['','a']