app.py

from optimizely import optimizely

# Initialize an Optimizely client
optimizely_client = optimizely.Optimizely(datafile)

# Activate user in an experiment
variation = optimizely_client.activate('my_experiment', user_id)

if variation == 'control':
  # Execute code for variation A
elif variation == 'treatment':
  # Execute code for variation B
else:
  # Execute default code

# Track conversion event
optimizely_client.track('my_conversion', user_id)