python中遍历字典的方法-创新互联
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小编给大家分享一下python中遍历字典的方法,相信大部分人都还不怎么了解,因此分享这篇文章给大家学习,希望大家阅读完这篇文章后大所收获,下面让我们一起去学习方法吧!
1. 遍历字典的键key
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①
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for key in d:
print(str(key)+':'+str(d[key]))
list:[1, 2, 3]
1:123
111:python3
tuple:(4, 5, 6)②
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for key in d.keys():
print(key)
1
list
111
tuple2. 遍历字典的值value
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for value in d.values():
print (value)
[1, 2, 3]
123
python3
(4, 5, 6)3. 遍历字典的项
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for item in d.items():
print(item)
('list', [1, 2, 3])
(1, 123)
('111', 'python3')
('tuple', (4, 5, 6))4. 遍历字典的key-value
①
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for key,value in d.items():
print(key,value)
list [1, 2, 3]
1 123
111 python3
tuple (4, 5, 6)②
>>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}
>>> for (key,value) in d.items():
print(key,value)
list [1, 2, 3]
1 123
111 python3
tuple (4, 5, 6)以上是python中遍历字典的方法的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联-成都网站建设公司行业资讯频道!
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