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-rw-r--r--challenge-335/deadmarshal/python/ch1.py27
1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-335/deadmarshal/python/ch1.py b/challenge-335/deadmarshal/python/ch1.py
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+++ b/challenge-335/deadmarshal/python/ch1.py
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+#!/usr/bin/env python
+
+from collections import Counter
+
+def common_characters(words):
+ char_count = Counter(words[0])
+
+ for w in words:
+ current_count = Counter(w)
+
+ for c in list(char_count):
+ char_count[c] = min(char_count[c],current_count[c])
+
+ res = []
+
+ for char,count in char_count.items():
+ res.extend([char] * count)
+
+ return res
+
+
+print(common_characters(["bella","label","roller"]))
+print(common_characters(["cool","lock","cook"]))
+print(common_characters(["hello","world","pole"]))
+print(common_characters(["abc","def","ghi"]))
+print(common_characters(["aab","aac","aaa"]))
+