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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 encrypt_encoded(self, encoding, r_value):
 """Paillier encrypt an encoded value. Args: encoding: The EncodedNumber instance. r_value (int):
 obfuscator for the ciphertext; by default (i.e. if *r_value* is None), a random value is used. Returns: EncryptedNumber: An encryption of *value*. """

        # If r_value is None, obfuscate in a call to .obfuscate() (below)
        obfuscator = r_value or 1
        ciphertext = self.raw_encrypt(encoding.encoding, r_value=obfuscator)
        encrypted_number = EncryptedNumber(self, ciphertext, encoding.exponent)
        if r_value is None:
            encrypted_number.obfuscate()
        return encrypted_number