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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 avail_images(call=None):
    '''
    returns a list of images available to you
    '''
    all_servers = list_nodes_full()
    templates = {}
    for server in all_servers:
        if server["IsTemplate"]:
            templates.update({"Template Name": server["Name"]})
    return templates