4_Day_Two_Sums_#1.ipynb

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      "[1, 2]\n"
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   "source": [
    "#Two sum\n",
    "class Solution:\n",
    "    def twoSum(self, nums, target):\n",
    "        output = []\n",
    "        for i in range(len(nums)-1):\n",
    "            for j in range(i+1,len(nums)):\n",
    "                if nums[i] + nums[j] == target:\n",
    "                    output.append(i)\n",
    "                    output.append(j)\n",
    "        return output\n",
    "            \n",
    "ob = Solution()\n",
    "result = ob.twoSum([2,5,5,11],10)\n",
    "print(result)"
   ]
  },
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     "text": [
      "i: 0\n",
      "j: 1\n",
      "j: 2\n",
      "j: 3\n",
      "i: 1\n",
      "j: 2\n",
      "j: 3\n",
      "i: 2\n",
      "j: 3\n",
      "i: 3\n"
     ]
    }
   ],
   "source": [
    "for i in range(4):\n",
    "    print('i: '+ str(i))\n",
    "    for j in range(i+1,4):\n",
    "        print('j: ' + str(j))"
   ]
  },
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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