"For centuries, left-handers have suffered unfair discrimination in a world designed for right-handers."
Santrock, John W. (2008). Motor, Sensory, and Perceptual Development.
"Most humans (say 70 percent to 95 percent) are right-handed, a minority (say 5 percent to 30 percent)
are left-handed, and an indeterminate number of people are probably best described as ambidextrous."
Scientific American. www.scientificamerican.com
One of the robots is charged with a simple task: to join a sequence of strings into one sentence to produce instructions on how to get around the ship. But this robot is left-handed and has a tendency to joke around and confuse its right-handed friends.
You are given a sequence of strings. You should join these strings into a chunk of text where the initial strings are separated by commas. As a joke on the right handed robots, you should replace all cases of the words "right" with the word "left", even if it's a part of another word. All strings are given in lowercase.
Input: A sequence of strings (str).
Output: The text as a comma-separated string (str).
Examples:
assert left_join(("left", "right", "left", "stop")) == "left,left,left,stop"
assert left_join(("bright aright", "ok")) == "bleft aleft,ok"
assert left_join(("brightness wright",)) == "bleftness wleft"
assert left_join(("enough", "jokes")) == "enough,jokes"
How it is used: This is a simple example of operations using strings and sequences.
Precondition:
0 < len(phrases) < 42
CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
checkio sync
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium
Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.
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