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chun chang
Courses Plus Student 1,390 Pointsunorderable type?
In my code, maxnum is considered as list() in python. How do I ensure a decleration of a variable is a int
def most_classes(teacherdict): maxnum = -1 maxindex ="" for teacher in teacherdict: num = len(teacherdict[teacher]) if num > maxnum: maxnum = teacherdict[teacher] maxindex = teacher return maxindex
# The dictionary will be something like:
# {'Jason Seifer': ['Ruby Foundations', 'Ruby on Rails Forms', 'Technology Foundations'],
# 'Kenneth Love': ['Python Basics', 'Python Collections']}
#
# Often, it's a good idea to hold onto a max_count variable.
# Update it when you find a teacher with more classes than
# the current count. Better hold onto the teacher name somewhere
# too!
#
# Your code goes below here.
def most_classes(teacherdict):
maxnum = -1
for teacher in teacherdict:
num = len(teacherdict[teacher])
if num > maxnum:
maxnum = teacherdict[teacher]
maxindex = teacher
return maxindex
2 Answers
Dan Johnson
40,533 PointsWhen you assign teacherdict[teacher] to maxnum you're changing it to a list, as the values associated with any of the keys will be a list of classes.
All you need to do to fix it is assign maxnum to num instead.
chun chang
Courses Plus Student 1,390 PointsThank you for the help. I can figure out the bug now:)