class Solution:
    def longestCommonPrefix(self, strs: List[str]) -> str:
        l = list(zip(*strs))
        prefix = ""
        for i in l:
            if len(set(i)) != 1:
                break
            else:
                prefix += i[0]
        return prefix
        
"""
14. Longest Common Prefix
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Write a function to find the longest common prefix string amongst an array of strings.

If there is no common prefix, return an empty string "".

Example 1:

Input: ["flower","flow","flight"]
Output: "fl"
Example 2:

Input: ["dog","racecar","car"]
Output: ""
Explanation: There is no common prefix among the input strings.
Note:

All given inputs are in lowercase letters a-z.
"""
