Assignment 21.ipynb

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  {
   "cell_type": "markdown",
   "id": "b7f1334c",
   "metadata": {},
   "source": [
    "# 1. Add the current date to the text file today.txt as a string."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "f7304d09",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'2022-08-06'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import datetime\n",
    "from datetime import date\n",
    "now = date.today()\n",
    "cur_date = now.isoformat()\n",
    "cur_date"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "b07b6cf6",
   "metadata": {},
   "outputs": [],
   "source": [
    "with open('today.txt','w') as file:\n",
    "    file.write(cur_date)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0edb5f55",
   "metadata": {},
   "source": [
    "# 2. Read the text file today.txt into the string today_string"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "10f004bc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'2022-08-06'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "with open('today.txt','r') as file:\n",
    "    today_string = file.read()\n",
    "today_string"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "91da09ac",
   "metadata": {},
   "source": [
    "# 3. Parse the date from today_string."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "69859b50",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(2022, 8, 6, 0, 0)"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from datetime import datetime\n",
    "format = '%Y-%m-%d'\n",
    "datetime.strptime(today_string,format)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "abc9fcb9",
   "metadata": {},
   "source": [
    "# 4. List the files in your current directory"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "361abfce",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "for folders, subfolders, files in os.walk(os.getcwd()):\n",
    "    for file in files:\n",
    "        print(file)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8cd72900",
   "metadata": {},
   "source": [
    "# 5. Create a list of all of the files in your parent directory (minimum five files should be available)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3d0b82f0",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os \n",
    "os.listdir()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a008ef3c",
   "metadata": {},
   "source": [
    "# 6. Use multiprocessing to create three separate processes. Make each one wait a random number of seconds between one and five, print the current time, and then exit."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "7c72e15a",
   "metadata": {},
   "outputs": [],
   "source": [
    "import multiprocessing\n",
    "import time \n",
    "import random\n",
    "import datetime\n",
    "\n",
    "def procOne():\n",
    "    print(f'Proc_one_Starttime -> {datetime.datetime.now()}')\n",
    "    time.sleep(random.randint(1,5))\n",
    "    print(f'Proc_one_Endtime -> {datetime.datetime.now()}')\n",
    "    \n",
    "def procTwo():\n",
    "    print(f'Proc_two_Starttime -> {datetime.datetime.now()}')\n",
    "    time.sleep(random.randint(1,5))\n",
    "    print(f'Proc_two_Endtime -> {datetime.datetime.now()}')\n",
    "\n",
    "def procThree():\n",
    "    print(f'Proc_two_Starttime -> {datetime.datetime.now()}')\n",
    "    time.sleep(random.randint(1,5))\n",
    "    print(f'Proc_two_Endtime -> {datetime.datetime.now()}')\n",
    "    \n",
    "if __name__ == \"__main__\":    \n",
    "    p1 = multiprocessing.Process(target=procOne)\n",
    "    p2 = multiprocessing.Process(target=procTwo)\n",
    "    p3 = multiprocessing.Process(target=procThree)\n",
    "\n",
    "    p1.start()\n",
    "    p2.start()\n",
    "    p3.start()\n",
    "\n",
    "    p1.join()\n",
    "    p2.join()\n",
    "    p3.join()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "794286df",
   "metadata": {},
   "source": [
    "# 7. Create a date object of your day of birth."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "7483ffed",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1997-01-11 00:00:00 <class 'datetime.datetime'>\n"
     ]
    }
   ],
   "source": [
    "from datetime import datetime\n",
    "my_dob = datetime.strptime('11/01/1997','%d/%m/%Y')\n",
    "print(my_dob, type(my_dob))"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6ba5bb8b",
   "metadata": {},
   "source": [
    "# 8. What day of the week was your day of birth?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "b3e30786",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Saturday'"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from datetime import datetime\n",
    "my_dob = datetime(1997,1,11)\n",
    "my_dob.strftime(\"%A\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "cac5f206",
   "metadata": {},
   "source": [
    "# 9. When will you be (or when were you) 10,000 days old?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "b329f03e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "datetime.datetime(1966, 8, 27, 0, 0)"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from datetime import datetime, timedelta\n",
    "my_dob = datetime.strptime(\"12/01/1994\",'%d/%m/%Y')\n",
    "future_date = my_dob-timedelta(10000)\n",
    "future_date"
   ]
  }
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