London | 26-Jul-SDC | Alex Jamshidi | Sprint 5 | Prep Exercises - #680
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…d through functions as arguments - also fixed an if boolean
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Good work on these tasks. Most of them are good, I have a few questions about some of them
| # Think of the advantages of using methods instead of free functions. Write them down in your notebook. | ||
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| # Better readability of code | ||
| # Encapsulation of that function only to class - cleaner and better security. No newline at end of file |
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Could you expand on these explanations or think of any other benefits / drawbacks?
| def is_adult(self): | ||
| dob = self.dob | ||
| today = date.today() | ||
| if dob.year > today.year - 18: return False |
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This sequence of if conditions feels a little complicated. Is there anything you could change to improve it / make it more readable / simplify it?
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I couldn't find a way to simplify it with the existing methodology, however I discovered tuples, which allows the comparison of the year/month/day all the the same time using comparison operators (if the year is the same, check month, if that's the same check the day)
| # exercise_10.py:29: error: Unexpected keyword argument "preferred_operating_system" for "Person"; did you mean "preferred_operating_systems"? [call-arg] | ||
| # exercise_10.py:30: error: Unexpected keyword argument "preferred_operating_system" for "Person"; did you mean "preferred_operating_systems"? [call-arg] | ||
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| # Fix all of the places that mypy tells you need changing. Make sure the program works as you’d expect. No newline at end of file |
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When I run this I get two empty lists. Is that the expected output?
| user_operating_system_str = input("Please enter your preferred operating system (options: ARCH, UBUNTU, MACOS, WINDOWS):\n") | ||
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| if user_operating_system_str not in OperatingSystem.__members__: | ||
| sys.exit("Error: Operating system should be written in all caps from given options.") |
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Is there any change you could make to the UX to make this more forgiving, rather than requiring the user to write their input in such a strict format?
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CYF-1155
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Exercises from sprint 5 prep completed