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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_valid_configured_integrations(alert):
 """Return a list of integrations for alert filtered by alert_type. :returns: A list of relevant integrations """

    if not configured_integrations:
        return []

    # Collect all integrations that are configured for specific alert_type
    # or have no specific supported_event_types (i.e., all alert types)
    valid_configured_integrations = [
        _ for _ in configured_integrations if _.integration.integration_type == IntegrationTypes.EVENT_OUTPUT.name and
        (not _.integration.supported_event_types or alert.alert_type in _.integration.supported_event_types)
    ]

    return valid_configured_integrations