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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 _package_path(package):
 """Returns the full path to the default package configuration file. Args: package (str):
 name of the python package to return a path for. """

    from os import path
    confdir = config_dir()
    return path.join(confdir, "{}.cfg".format(package))