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Python Python Collections (2016, retired 2019) Dictionaries Teacher Stats

George Clement
George Clement
2,816 Points

says not right amt of courses

I get four items in my list back so not sure

teachers.py
# The dictionary will look something like:
# {'Andrew Chalkley': ['jQuery Basics', 'Node.js Basics'],
#  'Kenneth Love': ['Python Basics', 'Python Collections']}
#
# Each key will be a Teacher and the value will be a list of courses.
#
# Your code goes below here.


def num_teachers(dict_teachers):
    return len(dict_teachers)



def num_courses(dict_teachers_and_courses):
    result_list = []
    for _ in dict_teachers_and_courses:
        result_list = result_list + list(dict_teachers_and_courses[_])

    return result_list

def courses(dict_teachers_and_courses):
    result_list = []
    for _ in dict_teachers_and_courses:
        result_list = result_list + list(dict_teachers_and_courses[_])

    return result_list

1 Answer

Øyvind Andreassen
Øyvind Andreassen
16,839 Points

Your solution for the third challenge gives me the expected result. This gets approved though.

def courses(teachers):
    courses_list = []
    for courses in teachers.values():
        for course in courses:
            courses_list.append(course)
    return courses_list