05.InOut.ipynb

{
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   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    " f = open(\"test.txt\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "f = open(\"test.txt\",encoding = 'utf-8')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "    with open(\"test.txt\",'w',encoding = 'utf-8') as f:\n",
    "       f.write(\"my first file\\n\")\n",
    "       f.write(\"This file\\n\\n\")\n",
    "       f.write(\"contains three lines\\n\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'my f'"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f = open(\"test.txt\",'r',encoding = 'utf-8')\n",
    "f.read(4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'irst'"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.read(4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "' file\\nThis file\\n\\ncontains three lines\\n'"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.read() "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "46"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.tell()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.seek(0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "my first file\n",
      "This file\n",
      "\n",
      "contains three lines\n",
      "\n"
     ]
    }
   ],
   "source": [
    " print(f.read())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "for line in f:\n",
    "    print(line, end = '')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "''"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.readline()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f.readlines()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "file = open('geek.txt','w') \n",
    "file.write(\"This is the write command\") \n",
    "file.write(\"It allows us to write in a particular file\") \n",
    "file.close() "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [],
   "source": [
    "file = open('geek.txt','a') \n",
    "file.write(\"This will add this line\") \n",
    "file.close() "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"test.txt\") as file:\n",
    "    data = file.read()  "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"file.txt\", \"w\") as f:\n",
    "    f.write(\"Hello World!!!\")  "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['my', 'first', 'file']\n",
      "['This', 'file']\n",
      "[]\n",
      "['contains', 'three', 'lines']\n",
      "[]\n",
      "['Lastly,', 'the', 'readlines()', 'method', 'returns', 'a', 'list', 'of', 'remaining', 'lines', 'of', 'the', 'entire', 'file.', 'All', 'these', 'reading', 'method', 'return', 'empty', 'values', 'when', 'end', 'of', 'file', '(EOF)', 'is', 'reached.']\n",
      "['Lastly,', 'the', 'readlines()', 'method', 'returns', 'a', 'list', 'of', 'remaining', 'lines', 'of', 'the', 'entire', 'file.', 'All', 'these', 'reading', 'method', 'return', 'empty', 'values', 'when', 'end', 'of', 'file', '(EOF)', 'is', 'reached.']\n",
      "['Lastly,', 'the', 'readlines()', 'method', 'returns', 'a', 'list', 'of', 'remaining', 'lines', 'of', 'the', 'entire', 'file.', 'All', 'these', 'reading', 'method', 'return', 'empty', 'values', 'when', 'end', 'of', 'file', '(EOF)', 'is', 'reached.']\n"
     ]
    }
   ],
   "source": [
    "with open(\"test.txt\", \"r\") as file:\n",
    "    data = file.readlines()\n",
    "    for line in data:\n",
    "        word = line.split()\n",
    "        print(word) "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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