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[LeetCode&Python] Problem 242. Valid Anagram

Given two strings s and , write a function to determine if t is an anagram of s.

Example 1:

Input: s = "anagram", t = "nagaram"
Output: true

Example 2:

Input: s = "rat", t = "car"
Output: false

Note:
You may assume the string contains only lowercase alphabets.

from collections import Counter
class Solution(object):
    def isAnagram(self, s, t):
        """
        :type s: str
        :type t: str
        :rtype: bool
        """
        if len(s)!=len(t):
            return False
        s1=Counter(s)
        t1=Counter(t)
        
        for i in s1:
            if s1[i]!=t1[i]:
                return False
        return True