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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 headers_as_dict(cls, resp):
 """Turns an array of response headers into a dictionary"""

        if six.PY2:
            pairs = [header.split(':', 1) for header in resp.msg.headers]
            return dict([(k, v.strip()) for k, v in pairs])
        else:
            return dict([(k, v.strip()) for k, v in resp.msg._headers])