```\nclass Solution:\n    def isHappy(self, n: int) -> bool:\n        d={}\n        while(n not in d):\n            d[n]=1\n            s = 0\n            while(n):\n                s += (n%10)**2\n                n = n/10\n            if(s==1):\n                return \'true\'            \n            else:\n                d[s]=1\n                n=s\n        return \'false\'\n```\n\nThis is the code I\'ve written for happy number \nBt when I tried to submit it says wrong answer for input 2 \nI tested the same code on other platform with input as 2 and it returns false\ncan anyone help me with this\n

\nclass Solution:\n    def isHappy(self, n: int) -> bool:\n        d={}\n        while(n not in d):\n            d[n]=1\n            s = 0\n            while(n)