1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-280/packy-anderson/python/ch-1.py b/challenge-280/packy-anderson/python/ch-1.py
new file mode 100755
index 0000000000..def9b93832
--- /dev/null
+++ b/challenge-280/packy-anderson/python/ch-1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+from collections import Counter
+
+def twiceAppearance(str):
+  count = Counter()
+  for char in str:
+    count[char] += 1
+    if count[char] > 1:
+       return char
+  return "␀" # fallback
+
+def solution(str):
+    print(f'Input: $str = "{str}"')
+    print(f'Output: "{twiceAppearance(str)}"')
+
+print('Example 1:')
+solution("acbddbca")
+
+print('\nExample 2:')
+solution("abccd")
+
+print('\nExample 3:')
+solution("abcdabbb")
+
+print('\nExample 4:')
+solution("abcdefg")