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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 _ip_frag_check(*args, func=None):
 """Check if arguments are valid IP fragments."""

    func = func or inspect.stack()[2][3]
    for var in args:
        dict_check(var, func=func)
        bufid = var.get('bufid')
        str_check(bufid[3], func=func)
        bool_check(var.get('mf'), func=func)
        ip_check(bufid[0], bufid[1], func=func)
        bytearray_check(var.get('header'), var.get('payload'), func=func)
        int_check(bufid[2], var.get('num'), var.get('fo'),
                  var.get('ihl'), var.get('tl'), func=func)