<gh_stars>0
import stackless

def print_x(x):
    print x

stackless.tasklet(print_x)('one')
stackless.tasklet(print_x)('two')
stackless.tasklet(print_x)('three')

stackless.run()

print 'Done!'

import stackless

def print_x(x):
    print x

stackless.tasklet(print_x)('one')
stackless.tasklet(print_x)('two')
stackless.tasklet(print_x)('three')

stackless.run()

print 'Done!'