dictionaryProblem.py

semesterLectures = {'January':[5, 6, 5, 4, 5],
                    'February': [4, 5, 6, 5],
                    'March': [3, 4, 6, 4, 6],
                    'April':[2, 1, 5, 3],
                    'May':[5, 1, 6]
                    }

def totalAttendance(semLectures):
    '''
    Objective               : To calculate the total attendances given as list in dictionary values as per weel.
    Input Parameters        :
                 semLectures: Given dictionary with values in form of dictionary.
    Return Value            : Total attendance.
    '''
    # Approach              : for loop is used to calculate the sum of values of dictionary.

    finalSum = 0
    for keys in semesterLectures.keys():
        finalSum += sum(semesterLectures[keys])
    return finalSum

print('Total Attendances of this semester is',totalAttendance(semesterLectures))