stats.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(x):
    y=x.keys()
    return len(y)
def num_courses(x):
    y=0
    for v in x.values():
        if type(v) == list:
            for d in v:
                y+=1
        else:
            y+=1
    return y
def courses(x):
    y=0
    h=[]
    for v in x.values():
        if type(v) == list:
            for d in v:
                h.append(d)
        else:
            h.append(v)
    return h

def most_courses(X):
    MAX_COUNT=0
    WINNER=""
    for teacher, courses in X.items():
        if len(courses)>(MAX_COUNT):
            MAX_COUNT=len(courses)
            WINNER=teacher
    return WINNER 

def stats(X):    
    newX={}
    for teacher in X.keys():
        num_of_courses=0    
        for courses in X[teacher]:    
            num_of_courses += 1
        newX[teacher]=num_of_courses
    return newX