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

Sam Wederell
Sam Wederell
20,276 Points

Works in terminal but not valid answer

The code below works as expected in my own terminal on my mac, but is not a valid answer for the challenge, why?

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(topic):
    course_list = []
    for key, value in COURSES.items():
        if topic <= value:
            course_list.append(key)
    return course_list

1 Answer

Sam Wederell
Sam Wederell
20,276 Points

Turns out I'd actually got ahead of myself and created the function for part 2, rather than part 1. They're looking for the intersection operator (&) rather than subset in part 1.