text: '''get_roll_angle()
  Retrieves the Hub’s roll angle.
  Roll is the rotation around the front-back (longitudinal) axis. Yaw is the rotation around the front-back (vertical) axis. Pitch is the rotation around the left-right (transverse) axis.
  Returns
  The roll angle, specified in degrees.
  Type:Integer (a positive or negative whole number, including 0)
  Values:-180 to 180
  Example
  '''
  from spike import PrimeHub
  
  hub = PrimeHub()
  
  while True:
      if hub.motion_sensor.get_roll_angle() > 90:
          break
  
      # do something
  