from Cheetah.Template import Template
dummyUser={‘firstName‘:‘Harvey‘,‘lastName‘:‘liu‘}
dummyOrder={‘id‘:2}
definition = """Hello, $user.firstName.
Your number is $order.id."""
definition_new =  Template(definition, searchList=[{‘user‘ : dummyUser,‘order‘ : dummyOrder}])

Hello, $user.firstName.
Your order (#$order.id) has shipped:
#for $purchased, $quantity in $order.purchased.items():
 $purchased.name: $quantity unit
#if $quantity != 1
s
#end if
#end for

 Widget, green: 50 unit
s
 Widget, blue: 1 unit