task2

import json
json_file=open("data.json","r")
data=json.load(json_file)
json_file.close()
check={'Monday':{},'Tuesday':{},"Wednesday":{},'Thursday':{},'Friday':{}}
for lis in data:
    a,b,c = lis
    sm=0
    for k,v in c['conference-categories-count'].items():
        sm=sm+v
    #print(sm)

    if a['dow'] == "Monday":
        check['Monday'].update({b['time']:sm})
    elif a['dow'] == "Tuesday":
         check['Tuesday'].update({ b['time']:sm})
    elif a['dow'] == "Wednesday":
        check['Wednesday'].update({ b['time']:sm})
    elif a['dow'] == "Thursday":
        check['Thursday'].update({ b['time']:sm})
    elif a['dow'] == "Friday":
        check['Friday'].update({b['time']:sm})
#print(check)


for k,v in check.items():
    print(k + " ===> " + str(v))