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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 get_hash(name, password=None):
    '''
    Returns the hash of a certificate in the keychain.

    name
        The name of the certificate (which you can get from keychain.get_friendly_name) or the
        location of a p12 file.

    password
        The password that is used in the certificate. Only required if your passing a p12 file.
        Note: This will be outputted to logs

    CLI Example:

    .. code-block:: bash

        salt '*' keychain.get_hash /tmp/test.p12 test123
    '''

    if '.p12' in name[-4:]:
        cmd = 'openssl pkcs12 -in {0} -passin pass:{1} -passout pass:{1}'.format(name, password)
    else:
        cmd = 'security find-certificate -c "{0}" -m -p'.format(name)

    out = __salt__['cmd.run'](cmd)
    matches = re.search('-----BEGIN CERTIFICATE-----(.*)-----END CERTIFICATE-----', out, re.DOTALL | re.MULTILINE)
    if matches:
        return matches.group(1)
    else:
        return False