Print new output on the same line with python 3

carriage_return.py

#
#   Print in one line dynamically
#
from sys import stdout
from time import sleep

def progress():
    for i in range(0,100):
        stdout.write('\rLoading {}%'.format(i+1))
        stdout.flush()
        sleep(0.01)
    print('\nComplete')
    return

if __name__ == '__main__':
    progress()