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

Siddharth Pande
Siddharth Pande
9,046 Points

dont know how to flatten list

don't know how to flatten list

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(tree_dict):
    intr = len(tree_dict)
    return intr
def num_courses(tree_dict):
    values = list(tree_dict.values())
    intrval = len(values)
    return intrval

1 Answer

Steven Parker
Steven Parker
231,269 Points

One method would be to loop through each of the dictionary entries, adding up the number of courses in each one.