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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 body_block_supplementary_material_render(supp_tags, base_url=None):
 """fig and media tag caption may have supplementary material"""

    source_data = []
    for supp_tag in supp_tags:
        for block_content in body_block_content_render(supp_tag, base_url=base_url):
            if block_content != {}:
                if "content" in block_content:
                    del block_content["content"]
                source_data.append(block_content)
    return source_data