import rx
import rx.operators as ops
"""
Use a dictionnary to convert elements declared in the marbles diagram to
the specified values.
"""

lookup0 = {'a': 1, 'b': 3, 'c': 5}
lookup1 = {'x': 2, 'y': 4, 'z': 6}
source0 = rx.cold('a---b----c----|', timespan=0.01, lookup=lookup0)
source1 = rx.cold('---x---y---z--|', timespan=0.01, lookup=lookup1)

observable = rx.merge(source0, source1).pipe(ops.to_iterable())
elements = observable.run()
print('received {}'.format(list(elements)))