list1 = ['1. Just do it', '2.一切皆有可能', '3.让编程改变世界', '4.Impossible is nothing']
list2 = ['4.阿迪达斯','2.李宁','3.鱼C工作室','1.耐克']
list3 = [name + ':' + slogan[2:] for slogan in list1 for name in list2 if slogan[0] == name[0]] #[0] [2:] 列表中字符串中每个元素对应位置
for each in list3:
print(each)