
    Develop a system function that takes an existing sequence of delivery routes and a newly identified safety checkpoint, and modifies each route to include this mandatory checkpoint before proceeding with the original path. The function should return the complete set of updated delivery routes that incorporate the safety checkpoint before each originally planned route segment.
    

    
def insert_element(list, element):
    """
    Develop a system function that takes an existing sequence of delivery routes and a newly identified safety checkpoint, and modifies each route to include this mandatory checkpoint before proceeding with the original path. The function should return the complete set of updated delivery routes that incorporate the safety checkpoint before each originally planned route segment.
    

    """
def insert_element(list, element):
    """
    Develop a system function that takes an existing sequence of delivery routes and a newly identified safety checkpoint, and modifies each route to include this mandatory checkpoint before proceeding with the original path. The function should return the complete set of updated delivery routes that incorporate the safety checkpoint before each originally planned route segment.
    

    """
    list = [v for elt in list for v in (element, elt)]
    return list