import datetime

log = [
    {"event":"event name",
     "date":datetime.datetime(Y,M,D),
     "url":"link to comment",
     "received":["card01","card02"],
     "lost":["card03","card04"],
     "crayons":{"red":1,"orange":2,"yellow":-3},
     "coupons":{"01":5},
     "decks":["deck1","deck2","deck3","deck4","deck5","deck6","deck7","deck8"] # only if "event":"portfolio"
     }
]