- Added Python solution to task 1 of week 340.

1 files changed, 32 insertions, 0 deletions

diff --git a/challenge-340/mohammad-anwar/python/ch-1.py b/challenge-340/mohammad-anwar/python/ch-1.py
new file mode 100644
index 0000000000..5f7bad6762
--- /dev/null
+++ b/challenge-340/mohammad-anwar/python/ch-1.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+import unittest
+
+def remove_duplicates(s: str) -> str:
+    if len(s) < 2:
+        return s
+
+    for i in range(len(s) - 1):
+        if s[i] == s[i + 1]:
+            new_str = s[:i] + s[i + 2:]
+            return remove_duplicates(new_str)
+
+    return s
+
+class TestRemoveDuplicates(unittest.TestCase):
+    def test_examples(self):
+        examples = {
+            1: {'str': 'abbaca',   'exp': 'ca'},
+            2: {'str': 'azxxzy',   'exp': 'ay'},
+            3: {'str': 'aaaaaaaa', 'exp': ''},
+            4: {'str': 'aabccba',  'exp': 'a'},
+            5: {'str': 'abcddcba', 'exp': ''},
+        }
+
+        for example_id, example_data in examples.items():
+            with self.subTest(example_id=example_id, example_str=example_data['str']):
+                result = remove_duplicates(example_data['str'])
+                self.assertEqual(result, example_data['exp'])
+
+if __name__ == '__main__':
+    unittest.main()