python - print that only prints one line -

how make print print 1 line each time like

for in range(1,100)     print 

but want print 1 line each time be: 1 , 1 erased print 2 , on.

like this?

import sys import time >>> in range(1, 100): ...     sys.stdout.write(str(i)) ...     sys.stdout.flush() ...     time.sleep(0.2) ...     sys.stdout.write("\b"*4) <numbers count here> >>>