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Group Anagrams
MediumData StructuresDescription
Given an array of strings `strs`, group the anagrams together. You can return the answer in **any order**.
An **Anagram** is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once.
Example 1
Input: strs = ["eat","tea","tan","ate","nat","bat"]
Output: [["bat"],["nat","tan"],["ate","eat","tea"]]
Example 2
Input: strs = [""]
Output: [[""]]
Example 3
Input: strs = ["a"]
Output: [["a"]]
Constraints
- 1 <= strs.length <= 10^4
- 0 <= strs[i].length <= 100
- strs[i] consists of lowercase English letters.
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