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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 sslv2_derive_keys(self, key_material):
 """ There is actually only one key, the CLIENT-READ-KEY or -WRITE-KEY. Note that skip_first is opposite from the one with SSLv3 derivation. Also, if needed, the IV should be set elsewhere. """

        skip_first = True
        if ((self.connection_end == "client" and self.row == "read") or
                (self.connection_end == "server" and self.row == "write")):
            skip_first = False

        cipher_alg = self.ciphersuite.cipher_alg

        start = 0
        if skip_first:
            start += cipher_alg.key_len
        end = start + cipher_alg.key_len
        cipher_secret = key_material[start:end]
        self.cipher = cipher_alg(cipher_secret)
        self.debug_repr("cipher_secret", cipher_secret)