# i = 1
for row in f:
# get only the relevant elements
row_as_list = row.split(',')
info = [row_as_list[index] for index in column_indices]
user = info[0]
start_date = info[1]
start_time = info[2]
current_time = "{} {}".format(start_date, start_time)
sessions.add_session(user, current_time)
# for debug purposes
# i+=1
# print("Processing entry {}".format(i))
# once finish reading the input, flush remaining sessions
sessions.terminal_flush()
# close connection to the output file
sessions.get_writer().close()
# for benchmarking
print("--- %s seconds ---" % (str(time.time() - start_execution)))
