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

returning total number of courses for all teachers

I don't know exactly what i am doing wrong. i need to return the total number of courses from a dictionary

# 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(teachers):
    teacher = len(teachers)
    return teacher

def num_courses(teacher):
    num_courses = 0
    for course in teacher.value():
        num_courses += len(course)
    return num_courses   

Thanks steven

1 Answer

Steven Parker
Steven Parker
229,921 Points

It looks like just a typo. You wrote "value()" instead of "values()" (with an "s").

Otherwise, good job! :+1: