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

Posted by Learnmore Jewure
Learnmore Jewure
5,234 Points

Whats wrong with my code

can someone help i cant get the courses out

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.
teachers = {'Andrew Chalkley': ['jQuery Basics', 'Node.js Basics'],'Kenneth Love': ['Python Basics', 'Python Collections']}
def num_teachers(teachers):
    for num in teachers:
        return len(teachers)

def num_courses(courses):

    return sum(len(v) for v in courses.values())

def courses(teachers):
    output = []
    for courses in teachers.values():
        output += courses
        return output

num_teachers(teachers)
num_courses(teachers)
courses(teachers)

1 Answer

Steve Hunter
Steve Hunter
57,712 Points
Steve Hunter
Steve Hunter
57,712 Points

Unindent the line return output to be level with the for loop, that way, it returns after the loop has completed.

Make sense?

def courses(teachers):
    output = []
    for courses in teachers.values():
        output += courses
    return output # unindented this

Steve.

Learnmore Jewure
Learnmore Jewure
5,234 Points

made all the difference thanks so much

Steve Hunter
Steve Hunter
57,712 Points

No problem! Happy to help.