Day05_LEETCODE_7. Reverse Integer.ipynb

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       "-321"
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    "class Solution(object):\n",
    "    def reverse(self, x):\n",
    "        \"\"\"\n",
    "        :type x: int\n",
    "        :rtype: int\n",
    "        \"\"\"\n",
    "        xreversed=0\n",
    "        xtemp=abs(x)\n",
    "        xlen=len(str(xtemp))\n",
    "        for i in range(xlen): \n",
    "            xreversed=xreversed+(xtemp%10 )* (10**(xlen-i-1))\n",
    "            xtemp=xtemp//10\n",
    "        if x==0:\n",
    "            xreversed=0\n",
    "        elif x<0:\n",
    "            xreversed=xreversed*(-1) \n",
    "            \n",
    "        if x < (-2**31) or x > ((2**31)-1):\n",
    "            xreversed=0\n",
    "        elif xreversed < (-2**31) or xreversed > ((2**31)-1):\n",
    "            xreversed=0\n",
    "        return xreversed\n",
    "\n",
    "solution = Solution()            \n",
    "solution.reverse(-123)"
   ]
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