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Python Python Collections (2016, retired 2019) Sets Set Math

Posted by codefornewarkyb
codefornewarkyb
Courses Plus Student 6,682 Points

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sets.py 
COURSES = {
    "Python Basics": {"Python", "functions", "variables",
                      "booleans", "integers", "floats",
                      "arrays", "strings", "exceptions",
                      "conditions", "input", "loops"},
    "Java Basics": {"Java", "strings", "variables",
                    "input", "exceptions", "integers",
                    "booleans", "loops"},
    "PHP Basics": {"PHP", "variables", "conditions",
                   "integers", "floats", "strings",
                   "booleans", "HTML"},
    "Ruby Basics": {"Ruby", "strings", "floats",
                    "integers", "conditions",
                    "functions", "input"}
}

def covers(topics):
    return_course = []
    for index, value in list(enumerate(COURSES.values())):
        if (value & topics):
            return_course.append(COURSES.keys()[index])
    return return_course

1 Answer

Steven Parker
Steven Parker
231,269 Points
Steven Parker
Steven Parker
231,269 Points

It looks like you have the right idea, but "enumerate" isn't very useful because dictionaries don't have a specific order. You can simplify things a good bit by using COURSES.items() to get the keys and values together as an iterable.