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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 connect(self, protocol=None, mode=None, disposition=None):
 """Connect to the card. If protocol is not specified, connect with the default connection protocol. If mode is not specified, connect with SCARD_SHARE_SHARED."""

        CardConnection.connect(self, protocol)
        pcscprotocol = translateprotocolmask(protocol)
        if 0 == pcscprotocol:
            pcscprotocol = self.getProtocol()

        if mode == None:
            mode = SCARD_SHARE_SHARED

        # store the way to dispose the card
        if disposition == None:
            disposition = SCARD_UNPOWER_CARD
        self.disposition = disposition

        hresult, self.hcard, dwActiveProtocol = SCardConnect(
            self.hcontext, str(self.reader), mode, pcscprotocol)
        if hresult != 0:
            self.hcard = None
            if hresult in (SCARD_W_REMOVED_CARD, SCARD_E_NO_SMARTCARD):
                raise NoCardException('Unable to connect', hresult=hresult)
            else:
                raise CardConnectionException(
                    'Unable to connect with protocol: ' + \
                    dictProtocol[pcscprotocol] + '. ' + \
                    SCardGetErrorMessage(hresult))

        protocol = 0
        if dwActiveProtocol == SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1:
            # special case for T0 | T1
            # this happen when mode=SCARD_SHARE_DIRECT and no protocol is
            # then negociated with the card
            protocol = CardConnection.T0_protocol | CardConnection.T1_protocol
        else:
            for p in dictProtocol:
                if p == dwActiveProtocol:
                    protocol = eval("CardConnection.%s_protocol" % dictProtocol[p])
        PCSCCardConnection.setProtocol(self, protocol)