finished 81

README.md

@@ -25,7 +25,8 @@ Note: A lot of the code is not best practice. The tasks are a little repetitive
 __Note:__ The "__related URL__" links to either the official source of the data, or at least a page with some background information. The second column of this table refers to __line count__ of the script, __not__ the answer to the prompt.
 
 ## The tasks
-The repo currently contains scripts for __96__ of __101__ tasks:
+
+The repo currently contains scripts for __97__ of __101__ tasks:
 
 |          Title          |  Line count |
 |-------------------------|-------------|
@@ -109,7 +110,7 @@ The repo currently contains scripts for __96__ of __101__ tasks:
 | 78. <i id='task-78'></i>Number of Cupertino, CA restaurants that have been shut down due to health violations in the last six months. <br> <a href='https://services.sccgov.org/facilityinspection/Closure/Index?sortField=sortbyEDate'>[related URL]</a>&nbsp;<a href='scripts/78.py'>[script]</a> |  6 lines |
 | 79. <i id='task-79'></i>The change in total airline revenues from baggage fees, from 2013 to 2014 <br> <a href='http://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/subject_areas/airline_information/baggage_fees/index.html'>[related URL]</a>&nbsp;<a href='scripts/79.py'>[script]</a> |  19 lines |
 | 80. <i id='task-80'></i>The total number of babies named Odin born in Colorado according to the Social Security Administration <br> <a href='http://www.ssa.gov/oact/babynames/limits.html'>[related URL]</a>&nbsp;<a href='scripts/80.py'>[script]</a> |  20 lines |
-| 81. <i id='task-81'></i>The latest release date for T-100 Domestic Market (U.S. Carriers) statistics report <br> <a href='http://www.transtats.bts.gov/releaseinfo.asp'>[related URL]</a> |   |
+| 81. <i id='task-81'></i>The latest release date for T-100 Domestic Market (U.S. Carriers) statistics report <br> <a href='http://www.transtats.bts.gov/releaseinfo.asp'>[related URL]</a>&nbsp;<a href='scripts/81.py'>[script]</a> |  13 lines |
 | 82. <i id='task-82'></i>From 2010 to 2013, the total number of patient deaths listed in the FDA's Adverse Events Reporting System <br> <a href='http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Surveillance/AdverseDrugEffects/ucm070461.htm'>[related URL]</a> |   |
 | 83. <i id='task-83'></i>The sum of White House staffermember salaries in 2014 <br> <a href='https://open.whitehouse.gov/Government/2014-Report-to-Congress-on-White-House-Staff/i9g8-9web'>[related URL]</a>&nbsp;<a href='scripts/83.py'>[script]</a> |  12 lines |
 | 84. <i id='task-84'></i>The total number of notices published on the most recent date to the Federal Register <br> <a href='https://www.federalregister.gov/articles/current'>[related URL]</a>&nbsp;<a href='scripts/84.py'>[script]</a> |  6 lines |
@@ -133,6 +134,7 @@ The repo currently contains scripts for __96__ of __101__ tasks:
 
 
 
+
 ----
 
 ## How to run this stuff

scripts/81.py

@@ -0,0 +1,13 @@
+# The latest release date for T-100 Domestic Market (U.S. Carriers) statistics report
+from lxml import html
+from datetime import datetime
+import requests
+LANDING_PAGE_URL = 'http://www.transtats.bts.gov/releaseinfo.asp'
+doc = html.fromstring(requests.get(LANDING_PAGE_URL).text)
+a = doc.xpath("//a[contains(text(), 'T-100 Domestic Market  (U.S. Carriers)')]")[0]
+tr = a.getparent().getparent()
+txt = tr.xpath("./td[3]/text()")[0] # e.g. ['8/13/2015:']
+# messy
+dt = datetime.strptime(txt, '%m/%d/%Y:')
+print(dt.strftime("%Y-%m-%d"))
+# 2015-08-13