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jasmar
1,059 PointsTeachers stats - Challenge 4
I can't figure out why courses isn't correct. Any pointers?
# 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(dict_in):
most_classes = 0
busiest_teacher = ''
for entry in dict_in:
if len(dict_in[entry]) > most_classes:
most_classes = len(dict_in[entry])
busiest_teacher = entry
else:
continue
return busiest_teacher
def num_teachers(dict_in):
return len(dict_in)
def stats(dict_in):
newlist = []
for key, value in dict_in.items():
newlist.append([key, len(value)]) # append [<name>, <number of classes>] to newlist
return newlist
def courses(dict_in):
list = []
for key, value in dict_in.items():
list.extend(dict_in[value])
return list
4 Answers
Aby Abraham
Courses Plus Student 12,531 Pointsdef most_classes(dict):
max_count = 0
str = ""
alist = dict.values()
for key, value in dict.items():
if len(value) > max_count:
max_count = len(value)
str = key
return str
def num_teachers(dict):
return len(dict.keys())
def stats(dict):
slist = []
for key, value in dict.items():
slist.append([key, len(value)])
return slist
def courses(dict):
clist = []
for value in dict.values():
clist.extend(value)
return clist
jcorum
71,830 PointsThis should do it:
def courses(dict_in):
course_list = []
for key, value in dict_in.items():
list = value;
for newItem in list:
course_list.append(newItem)
return course_list
jasmar
1,059 PointsWell using .values I was able to make this work:
def courses(dict_in):
list = []
for courses in dict_in.values():
list.extend(courses)
return list
jcorum
71,830 PointsNice. More elegant than mine!
def courses(dict_in):
list = []
for courses in dict_in.values():
list.extend(courses)
return list
Suggestion: when pasting in code, it's nice if it is formatted properly. What you need to do is spelled out in the Markdown Cheatsheet (link below). But basically, be sure and leave a blank line before and after the code you paste in, and a line just above your code that is 3 accent signs and the type of code, and a line after your code and above the blank line that is another 3 accent signs. Like this, except I have to use --- here instead of three accents:
//blank line
---python
. . . code. . .
---
//blank line