
    Design a content moderation function that automatically prepends a specified warning label to each social media post in a given collection of user-generated content. The function should take a list of posts and a warning label as input, and return a new list where each post is preceded by the warning label while preserving the original post content.
    

    
def insert_element(list, element):
    """
    Design a content moderation function that automatically prepends a specified warning label to each social media post in a given collection of user-generated content. The function should take a list of posts and a warning label as input, and return a new list where each post is preceded by the warning label while preserving the original post content.
    

    """
def insert_element(list, element):
    """
    Design a content moderation function that automatically prepends a specified warning label to each social media post in a given collection of user-generated content. The function should take a list of posts and a warning label as input, and return a new list where each post is preceded by the warning label while preserving the original post content.
    

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