from datetime import date
from pandas import date_range
from uuid import uuid4
from random import randint


s_date = date(2019, 1, 1)
e_date = date(2019, 1, 30)

stats = {}

for d in date_range(start=s_date, end=e_date):
    d = str(d.date())
    stats[d] = {
        'user_id': str(uuid4()),
        'clicks': randint(0, 1000)
    }


print(stats)