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

wan muhammad najmie wan sabri
wan muhammad najmie wan sabri
1,943 Points
Posted by wan muhammad najmie wan sabri
wan muhammad najmie wan sabri
1,943 Points

num_courses code wrong?

i tried it in the workspace and it returned the number that i wanted. but why is this considered wrong by the program?

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(dicti):
    return len(dicti.keys())

def num_courses(dicti):
    total = 0
    for item in dicti.values():
        total += len(dicti.values())
    return total

1 Answer

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

Hi there,

I think you can just use total += len(item) inside your for loop. The variable item holds all the values, so just increment its length onto the total counter.

Steve.

Steve Hunter
Steve Hunter
57,712 Points

:+1: :+1: