Python || EASY SOLUTION || USING LIST || SIMPLE SOLUTION
\t\t\n\t\t\n\t\t\n\t\tl=[]\n        for x in nums:\n            n=\'\'\n            for y in str(x):\n                n+=str(mapping[int(y)])\n            l.app
\t\t\n\t\t\n\t\t\n\t\tl=[]\n        for x in nums:\n            n=\'\'\n            for y in str(x):\n                n+=str(mapping[int(y)])\n            l.append([x,int(n)])\n\n        l.sort(key = lambda x: x[1])\n        res=[]\n        for x in l:\n            res.append(x[0])\n        return res
['Array', 'Sorting', 'Python']