def remove_one(name_list, name):
    name_list = name_list.replace(name + ",", "")
    print(name_list)
    return name_list

name_list = "Chico, Harpo, Groucho, Gummo, Zeppo,"
name_list = remove_one(name_list, "Gummo")
name_list = remove_one(name_list, "Zeppo")
    
print(name_list)