How to update a console line without writing a new line in python3

import time
import sys
print('Update the same line in console output')

sys.stdout.write('Doing task a\r')
sys.stdout.flush()
time.sleep(1)
sys.stdout.write('Doing task b\r')
sys.stdout.flush()
time.sleep(1)
sys.stdout.write('Doing task c\n')
time.sleep(1)
print('done')