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

Why doesn't my function pass?

def covers_all(input_topics): course_list = [] for index, topics in enumerate(COURSES.values()): if input_topics.issubset(topics): course_list.append(COURSES.keys()[index]) return course_list

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):
    courses_on_topic = []
    for course_name in set(COURSES.keys()):
        if len(topic.intersection(COURSES[course_name])) > 0:
            courses_on_topic.append(course_name)
    return courses_on_topic

def covers_all(input_topics):
    course_list = []
    for index, topics in enumerate(COURSES.values()):
        if input_topics.issubset(topics):
            course_list.append(COURSES.keys()[index])
    return course_list

2 Answers

def covers_all(input_topics): course_list = [] for index, topics in enumerate(COURSES.values()): if input_topics.issubset(topics): course_list.append(COURSES.keys()[index]) return course_list

Sneha Nagpaul
Sneha Nagpaul
10,124 Points

I'll try to answer this without spoilers. So, I think you can fix everything if you just get to the dict key-value pairs in a cleaner way.

for key, values in some_dict.items():
    print(key, values)