old_contents: from e2c import E2c
  
  config = (
      '.run -- action',
      'action.out -- print',
      'action.out -- print')
  
  def print_data(x: int, data):
      print(x, data)
  
  
  
  e2c = E2c[str, str](config)
  e2c.actor('action', lambda data, out: out(data, {'a': 1}))
  e2c.actor('print', print_data)
  
  e2c.visualize()
  e2c.run('hello')
  
new_contents: from e2c import E2c
  
  config = (
      '.run -- action',
      'action.out -- print')
  
  e2c = E2c[str, str](config)
  e2c.actor('action', lambda data, out: out(data))
  e2c.actor('print', lambda data: print(data))
  
  e2c.visualize()
  e2c.run('hello')
  
subject: change quickstart