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

Nicholas Gaerlan
Nicholas Gaerlan
9,501 Points

This answer works so... I don't know what to do

Do I need to use a more complicated method where I build a list by iterating over all the elements in courses w/ values that intersect with the given argument. That's exactly what the comprehension does so... I feel like I'm giving the most Pythonic and easy to read solution. Open to any ideas

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 [x for x in COURSES if COURSES[x] & topics]            

def covers_all(topics)
    return [x for x in COURSES if topics == COURSES[x] & topics]

3 Answers

This should be giving you a syntax error around line 20,

def covers_all(topics) // You are missing a colon :
Nicholas Gaerlan
Nicholas Gaerlan
9,501 Points

omg... can't believe i missed that

Nicholas Gaerlan
Nicholas Gaerlan
9,501 Points

funny thing is... the way covers_all is written should work for the first part of the challenge (except of course renaming the function to covers instead of covers_all) but the quiz won't accept it as an answer