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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_headers(hide_env=True):
 """Returns headers dict from request context."""


    headers = dict(request.headers.items())

    if hide_env and ('show_env' not in request.args):
        for key in ENV_HEADERS:
            try:
                del headers[key]
            except KeyError:
                pass

    return CaseInsensitiveDict(headers.items())