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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 save_cert(domain, master):
    '''
    Save the certificate for master icinga2 node.

    Returns::
        icinga2 pki save-cert --key /etc/icinga2/pki/domain.tld.key --cert /etc/icinga2/pki/domain.tld.crt --trustedcert /etc/icinga2/pki/trusted-master.crt --host master.domain.tld

    CLI Example:

    .. code-block:: bash

        salt '*' icinga2.save_cert domain.tld master.domain.tld

    '''
    result = __salt__['cmd.run_all'](["icinga2", "pki", "save-cert", "--key", "{0}{1}.key".format(get_certs_path(), domain), "--cert", "{0}{1}.cert".format(get_certs_path(), domain), "--trustedcert",
                                      "{0}trusted-master.crt".format(get_certs_path()), "--host", master], python_shell=False)
    return result