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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def getDetectorClassConstructors(detectors):
 """ Takes in names of detectors. Collects class names that correspond to those detectors and returns them in a dict. The dict maps detector name to class names. Assumes the detectors have been imported. """

  detectorConstructors = {
  d : globals()[detectorNameToClass(d)] for d in detectors}

  return detectorConstructors