[英]How to perform list comprehension on the following two lists?
這個問題之前可能已經有人問過,但是我是python的新手,而且缺乏更好的關鍵詞搜索讓我提出了這個問題。
我有兩個清單:
list1 = ['John', 'Don', 'Sam']
list2 = ['Melissa', 'Amber', 'Liz']
couples = [x + ' and ' y for x in list1 y in list2] # I can't do that
我的夫妻名單應如下所示:
['John and Melissa', 'Don and Amber', 'Sam and Liz']
如何以這種方式連接這兩個列表?
提前致謝
>>> list1 = ['John', 'Don', 'Sam']
>>> list2 = ['Melissa', 'Amber', 'Liz']
>>> [' and '.join(i) for i in zip(list1, list2)]
['John and Melissa', 'Don and Amber', 'Sam and Liz']
您可以使用zip()
遍歷兩個列表:
couples = [x + ' and ' + y for x, y in zip(list1, list2)]
zip
兩個列表並使用str.format
list1 = ['John', 'Don', 'Sam']
list2 = ['Melissa', 'Amber', 'Liz']
print ["{} and {}".format(*name) for name in zip(list1,list2)]
['John and Melissa', 'Don and Amber', 'Sam and Liz']
您還可以使用枚舉:
list1 = ['John', 'Don', 'Sam']
list2 = ['Melissa', 'Amber', 'Liz']
print ["{} and {}".format(name,list2[ind]) for ind, name in enumerate(list1)]
['John and Melissa', 'Don and Amber', 'Sam and Liz']
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