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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 get_versions(name, default_string=DEFAULT_STRING_NOT_FOUND, default_tuple=DEFAULT_TUPLE_NOT_FOUND, allow_ambiguous=True):
 """ Get string and tuple versions from installed package information It will return :attr:`default_string` and :attr:`default_tuple` values when the named package is not installed. Parameters name : string An application name used to install via setuptools. default : string A default returning value used when the named application is not installed yet default_tuple : tuple A default returning value used when the named application is not installed yet allow_ambiguous : boolean ``True`` for allowing ambiguous version information. Returns -------- tuple A version string and version tuple Examples -------- True True ('Please install this application with setup.py', (0, 0, 0)) """

    version_string = get_string_version(name, default_string, allow_ambiguous)
    version_tuple = get_tuple_version(name, default_tuple, allow_ambiguous)
    return version_string, version_tuple