fundamentals/database/code/read_files.ipynb

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 "cells": [
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "STUDENTS_FILE = \"../data/students.csv\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Name\n",
      "Tantia Tope\n",
      "Kilvish\n",
      "John Watson\n"
     ]
    }
   ],
   "source": [
    "# Read file and print out name of students\n",
    "with open(STUDENTS_FILE, \"r\") as file:\n",
    "    for line in file:\n",
    "        name = line.split(\",\")[0]\n",
    "        print(name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Tantia Tope\n",
      "Kilvish\n",
      "John Watson\n"
     ]
    }
   ],
   "source": [
    "# Read file and print just names of students\n",
    "with open(STUDENTS_FILE, \"r\") as file:\n",
    "    for index, line, in enumerate(file):\n",
    "        if index == 0:\n",
    "            continue\n",
    "        name = line.split(\",\")[0]\n",
    "        print(name)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Tantia Tope 20\n",
      "Kilvish 21\n"
     ]
    }
   ],
   "source": [
    "# Read file and only print users with age less than 25\n",
    "with open(STUDENTS_FILE, \"r\") as file:\n",
    "    for index, line, in enumerate(file):\n",
    "        if index == 0:\n",
    "            continue\n",
    "        name = line.split(\",\")[0]\n",
    "        age = line.split(\",\")[3]\n",
    "        if int(age) < 25:\n",
    "            print(name, age)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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