fix 14 python

Author: luliyucoordinate

src/0014-Longest-Common-Prefix/0014.py

@@ -6,14 +6,8 @@ def longestCommonPrefix(self, strs):
         """
         if not strs:
             return ''
-        res = ''
-        min_val = min(strs)
-        min_val, strs[0] = strs[0], min_val
-        print(min_val)
-        for i, c in enumerate(strs[0]):
-            if not all([s[i] == c for s in strs[1:]]):
-                break
-            res += c
-                
-        return res
-        
+        for i, word in enumerate(zip(*strs)):
+            if len(set(word)) > 1:
+                return strs[0][:i]
+        else:
+            return min(strs)