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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 GetFile(message=None, title=None, directory=None, fileName=None, allowsMultipleSelection=False, fileTypes=None):
 """ An get file dialog. Optionally a `message`, `title`, `directory`, `fileName` and `allowsMultipleSelection` can be provided. :: from fontParts.ui import GetFile print(GetFile()) """

    return dispatcher["GetFile"](message=message, title=title, directory=directory,
                                 fileName=fileName,
                                 allowsMultipleSelection=allowsMultipleSelection,
                                 fileTypes=fileTypes)