No spaces.ipynb

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     "text": [
      "dAta sCieNce\n",
      "Data_Science\n"
     ]
    }
   ],
   "source": [
    "#take input here\n",
    "s=input()\n",
    "#write code to format the string s as asked \n",
    "s = s.lower()\n",
    "l = s.split(' ')\n",
    "final_l = [ i[0].upper() + i[1:] for i in l]\n",
    "final_l = '_'.join(final_l)\n",
    "print(final_l)"
   ]
  }
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