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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 find_loader(fullname):
 """Find a PEP 302 "loader" object for fullname If fullname contains dots, path must be the containing package's __path__. Returns None if the module cannot be found or imported. This function uses iter_importers(), and is thus subject to the same limitations regarding platform-specific special import locations such as the Windows registry. """

    for importer in iter_importers(fullname):
        loader = importer.find_module(fullname)
        if loader is not None:
            return loader

    return None