Session-1_introduction.ipynb

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    "- kernal \n",
    "\n",
    "- kernal is busy  ==== black circle\n",
    "\n",
    "- kernal is idle ===== white circle"
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    "a=20\n",
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       "100"
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    "b=100\n",
    "b"
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    "c=100\n",
    "c"
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   "source": [
    "a=100\n",
    "b=30\n",
    "a+b    # shift+enter\n"
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  {
   "cell_type": "markdown",
   "id": "5d7d4bf3",
   "metadata": {},
   "source": [
    "# python"
   ]
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   "cell_type": "markdown",
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   "metadata": {},
   "source": [
    "to day im learning python"
   ]
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  {
   "cell_type": "markdown",
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   "source": [
    "python is easy  # this cell is in which mode\n",
    "\n",
    "code mode  or markdown mode"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c7196edf",
   "metadata": {},
   "source": [
    "- whenever you want use code , check the code mode\n",
    "\n",
    "- whenever you want to write something, check the markdown mode"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "3a89f4a3",
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   "outputs": [],
   "source": [
    "import os"
   ]
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   "id": "9b548bdc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'C:\\\\Users\\\\omkar\\\\OneDrive\\\\Documents\\\\Data science\\\\Naresh IT\\\\Data science\\\\Batch2\\\\python_session'"
      ]
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   "source": [
    "os.getcwd()   # get current working directory  (getcwd)\n",
    "\n",
    "a=20  # i saved 20 in a variable a"
   ]
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  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "c833ff24",
   "metadata": {},
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   "source": [
    "a=20"
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   "execution_count": 11,
   "id": "b4e72f98",
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   "outputs": [],
   "source": [
    "b=30"
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   "execution_count": 12,
   "id": "333cc42d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "50"
      ]
     },
     "execution_count": 12,
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   "source": [
    "a+b"
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   "execution_count": 13,
   "id": "25834444",
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    {
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      "text/plain": [
       "70"
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     "execution_count": 13,
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   "source": [
    "a=20\n",
    "b=50\n",
    "a+b"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "881b4414",
   "metadata": {},
   "source": [
    "- python\n",
    "\n",
    "- omkar"
   ]
  },
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   "execution_count": null,
   "id": "49a85eaa",
   "metadata": {},
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