python code to create a random series of session dates

mock_session_dates.py

def date_from_workday(workday_num):
  return datetime.strptime(f"2021-W{workday_num//5+1}-{workday_num%5+1}", '%Y-W%W-%w')

def generate_session_dates(session_count=15, start_workday=None):
  session_dates = []
  session_workday = start_workday if start_workday else randint(0,200)
  for n in range(session_count):
    session_dates.append(date_from_workday(session_workday))
    session_workday += 1 if randint(0,5) else 2
  return session_dates