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# [1002. Find Common Characters](https://leetcode.com/problems/find-common-characters/)
## 题目:
## 题目
Given an array `A` of strings made only from lowercase letters, return a list of all characters that show up in all strings within the list **(including duplicates)**. For example, if a character occurs 3 times in all strings but not 4 times, you need to include that character three times in the final answer.