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

Raduica Sebastian
PLUS
Raduica Sebastian
Courses Plus Student 1,356 Points

covers problem

What's wrong ?:(

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_set):
    sets=[]
    for keys in COURSES.keys():
        for values in keys.values():
            if topic_set == values:
                sets.append(keys)                
    return sets

2 Answers

Change for values in keys.values(): with for values in COURSES[keys]:

Alex Wootton
PLUS
Alex Wootton
Courses Plus Student 5,943 Points

I think the issue here is that you are checking whether the 2 sets match (if topic_set == values:) instead of checking to see if they overlap/intersect (if topic_set & values:)

Switch the operator and you should be good to go!

If in doubt the docs are are always super handy: https://docs.python.org/3/library/stdtypes.html#set