Dicts_df_and_lists.ipynb

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      "[[1], [2], [3], [4]]\n",
      "[1]\n",
      "<class 'dict'>\n",
      "<class 'list'>\n",
      "<class 'pandas.core.frame.DataFrame'>\n",
      "[1, 2, 3, 4]\n",
      "1\n",
      "4\n"
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   "source": [
    "# working with dicts, dataframes and lists (of lists)!!!\n",
    "# good source: https://datatofish.com/convert-pandas-dataframe-to-list/\n",
    "\n",
    "import pandas as pd\n",
    "\n",
    "products = {'Product': ['Tablet','iPhone','Laptop','Monitor'],\n",
    "            'Price': [250,800,1200,300],\n",
    "            'Amount': [1,2,3,4]\n",
    "            }\n",
    "\n",
    "#df = pd.DataFrame(products, columns= ['Product', 'Amount'])\n",
    "df = pd.DataFrame(products, columns= ['Amount'])\n",
    "\n",
    "products_list = df.values.tolist()\n",
    "print (products_list)\n",
    "print (products_list[0])\n",
    "print(type(products))\n",
    "print(type(products_list))\n",
    "print(type(df))\n",
    "\n",
    "# --------------------------------\n",
    "\n",
    "# compare with line above and see the difference \n",
    "amount = df['Amount'].values.tolist()\n",
    "print (amount)\n",
    "print (amount[0])\n",
    "print (amount[0]+3)#works"
   ]
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