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Byron Farrell
5,700 PointsError
Getting error: Bummer: Couldn't find `num_teachers
# 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(var):
return count(var.keys())
1 Answer
matth89
17,826 PointsYou're close. I believe it's the len() function you're looking for, rather than count. So, if you change your return statement to be
return len(var)
it will pass. In case you'd like to read up on the difference between len and count: https://stackoverflow.com/questions/26563027/what-is-the-difference-between-len-and-count-in-python
csr13
33,293 Pointscsr13
33,293 PointsUse the len() method instead of the count method on the keys of var:
return len(var.keys())Also, always check for any extra unintentional whitespaces You can try the count method on your local interpreter to see why is not working with count.