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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 makepath(s, as_file=False):
 """Make a path from a string Expand out any variables, home squiggles, and normalise it See also http://stackoverflow.com/questions/26403972 """

    if s is None:
        return None
    result = FilePath(s) if (os.path.isfile(s) or as_file) else DirectPath(s)
    return result.expandall()