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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 has_header_value (headers, name, value):
 """ Look in headers for a specific header name and value. Both name and value are case insensitive. @return: True if header name and value are found @rtype: bool """

    name = name.lower()
    value = value.lower()
    for hname, hvalue in headers:
        if hname.lower()==name and hvalue.lower()==value:
            return True
    return False