bites 89 - list and dict (Incomplete; Done: get_every_nth_state) - Add a bash script to unzip, remove zip file because I found myself need to type these commands everytime I download a new exercise.

Author: [email protected]

.gitignore

@@ -73,3 +73,4 @@
 /222/README.md
 /199/README.md
 /228/README.md
+/89/README.md

89/states.py

@@ -0,0 +1,65 @@
+us_state_abbrev = {'Alabama': 'AL', 'Alaska': 'AK', 'Arizona': 'AZ',
+                   'Arkansas': 'AR', 'California': 'CA', 'Colorado': 'CO',
+                   'Connecticut': 'CT', 'Delaware': 'DE', 'Florida': 'FL',
+                   'Georgia': 'GA', 'Hawaii': 'HI', 'Idaho': 'ID',
+                   'Illinois': 'IL', 'Indiana': 'IN', 'Iowa': 'IA',
+                   'Kansas': 'KS', 'Kentucky': 'KY', 'Louisiana': 'LA',
+                   'Maine': 'ME', 'Maryland': 'MD', 'Massachusetts': 'MA',
+                   'Michigan': 'MI', 'Minnesota': 'MN', 'Mississippi': 'MS',
+                   'Missouri': 'MO', 'Montana': 'MT', 'Nebraska': 'NE',
+                   'Nevada': 'NV', 'New Hampshire': 'NH', 'New Jersey': 'NJ',
+                   'New Mexico': 'NM', 'New York': 'NY',
+                   'North Carolina': 'NC', 'North Dakota': 'ND',
+                   'Ohio': 'OH', 'Oklahoma': 'OK', 'Oregon': 'OR',
+                   'Pennsylvania': 'PA', 'Rhode Island': 'RI',
+                   'South Carolina': 'SC', 'South Dakota': 'SD',
+                   'Tennessee': 'TN', 'Texas': 'TX', 'Utah': 'UT',
+                   'Vermont': 'VT', 'Virginia': 'VA', 'Washington': 'WA',
+                   'West Virginia': 'WV', 'Wisconsin': 'WI', 'Wyoming': 'WY'}
+
+states = ['Oklahoma', 'Kansas', 'North Carolina', 'Georgia', 'Oregon',
+          'Mississippi', 'Minnesota', 'Colorado', 'Alabama',
+          'Massachusetts', 'Arizona', 'Connecticut', 'Montana',
+          'West Virginia', 'Nebraska', 'New York', 'Nevada', 'Idaho',
+          'New Jersey', 'Missouri', 'South Carolina', 'Pennsylvania',
+          'Rhode Island', 'New Mexico', 'Alaska', 'New Hampshire',
+          'Tennessee', 'Washington', 'Indiana', 'Hawaii', 'Kentucky',
+          'Virginia', 'Ohio', 'Wisconsin', 'Maryland', 'Florida',
+          'Utah', 'Maine', 'California', 'Vermont', 'Arkansas', 'Wyoming',
+          'Louisiana', 'North Dakota', 'South Dakota', 'Texas',
+          'Illinois', 'Iowa', 'Michigan', 'Delaware']
+
+NOT_FOUND = 'N/A'
+
+
+def get_every_nth_state(states=states, n=10):
+    """Return a list with every nth item (default argument n=10, so every
+       10th item) of the states list above (remember: lists keep order)"""
+    return [states[pos] for pos in range(n - 1, len(states), n)]
+
+
+def get_state_abbrev(state_name, us_state_abbrev=us_state_abbrev):
+    """Look up a state abbreviation by querying the us_state_abbrev
+       dict by full state name, for instance 'Alabama' returns 'AL',
+       'Illinois' returns 'IL'.
+       If the state is not in the dict, return 'N/A' which we stored
+       in the NOT_FOUND constant (takeaway: dicts are great for lookups)"""
+    pass
+
+
+def get_longest_state(data):
+    """Receives data, which can be the us_state_abbrev dict or the states
+       list (see above). It returns the longest state measured by the length
+       of the string"""
+    pass
+
+
+def combine_state_names_and_abbreviations(us_state_abbrev=us_state_abbrev,
+                                          states=states):
+    """Get the first 10 state abbreviations ('AL', 'AK', 'AZ', ...) from
+       the us_state_abbrev dict, and the last 10 states from the states
+       list (see above) and combine them into a new list. The resulting list
+       has both sorted, so:
+       ['AK', 'AL', 'AZ', ..., 'South Dakota', 'Tennessee', 'Texas', ...]
+       (see also test_combine_state_names_and_abbreviations)"""
+    pass

89/test_states.py

@@ -0,0 +1,33 @@
+from states import (get_every_nth_state, get_state_abbrev,
+                    get_longest_state, combine_state_names_and_abbreviations,
+                    states, us_state_abbrev, NOT_FOUND)
+
+
+def test_get_every_nth_state():
+    expected = ['Massachusetts', 'Missouri', 'Hawaii',
+                'Vermont', 'Delaware']
+    assert list(get_every_nth_state()) == expected
+    expected = ['Missouri', 'Vermont']
+    assert list(get_every_nth_state(n=20)) == expected
+
+
+def test_get_state_abbrev():
+    assert get_state_abbrev('Illinois') == 'IL'
+    assert get_state_abbrev('North Dakota') == 'ND'
+    assert get_state_abbrev('bogus') == NOT_FOUND
+
+
+def test_get_longest_state():
+    # depending the direction of the sort (reversed or not)
+    # both North and South Carolina are correct
+    correct_answers = ('North Carolina', 'South Carolina')
+    assert get_longest_state(us_state_abbrev) in correct_answers
+    assert get_longest_state(states) in correct_answers
+
+
+def test_combine_state_names_and_abbreviations():
+    expected = ['AK', 'AL', 'AR', 'AZ', 'CA', 'CO', 'CT', 'DE', 'FL', 'GA',
+                'South Dakota', 'Tennessee', 'Texas', 'Utah',
+                'Vermont', 'Virginia', 'Washington', 'West Virginia',
+                'Wisconsin', 'Wyoming']
+    assert combine_state_names_and_abbreviations() == expected

import.sh

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+#!/usr/bin/env bash
+FILE1=$1
+unzip ${FILE1}".zip" -d ${FILE1}
+rm ${FILE1}".zip"