https://www.youtube.com/playlist?list=PLhOuww6rJJNPBqIwfD-0RedqsitBliLhT
Write a program that will announce the appearance of something "off the larboard bow" to the captain of the ship. Note that you need to "a" before a word starting with a consonant:
$ ./crowsnest.py narwhal
Ahoy, Captain, a narwhal off the larboard bow!
Or "an" before a word starting with a vowel:
$ ./crowsnest.py octopus
Ahoy, Captain, an octopus off the larboard bow!
Given no arguments, the program should print a brief usage:
$ ./crowsnest.py
usage: crowsnest.py [-h] str
crowsnest.py: error: the following arguments are required: str
It should print a longer usage for -h and --help:
$ ./crowsnest.py -h
usage: crowsnest.py [-h] str
Crow's Nest -- choose the correct article
positional arguments:
str A word
optional arguments:
-h, --help show this help message and exit
A passing test suite looks like this:
$ make test
pytest -xv test.py
============================= test session starts ==============================
...
collected 6 items
test.py::test_exists PASSED [ 16%]
test.py::test_usage PASSED [ 33%]
test.py::test_consonant PASSED [ 50%]
test.py::test_consonant_upper PASSED [ 66%]
test.py::test_vowel PASSED [ 83%]
test.py::test_vowel_upper PASSED [100%]
============================== 6 passed in 2.89s ===============================