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dict字典的用法

时间:2020-03-23 00:33:03      阅读:91      评论:0      收藏:0      [点我收藏+]

标签:print   price   倚天   屠龙记   col   dict   div   结果   for   

在用dict遇到了一些困难,记一下。

代码1:

books={"倚天屠龙记":{"id":1,"price":100},
       "好吗好的":{"id":2,"price":200},
       "告别薇安":{"id":3,"price":300},
       "穆斯林的葬礼":{"id":4,"price":400}
       }
for i in books:
    print(i)

结果:

倚天屠龙记
好吗好的
告别薇安
穆斯林的葬礼

代码2:

books={"倚天屠龙记":{"id":1,"price":100},
       "好吗好的":{"id":2,"price":200},
       "告别薇安":{"id":3,"price":300},
       "穆斯林的葬礼":{"id":4,"price":400}
       }
for i in books:
    print(books[i])

结果:

{‘id‘: 1, ‘price‘: 100}
{‘id‘: 2, ‘price‘: 200}
{‘id‘: 3, ‘price‘: 300}
{‘id‘: 4, ‘price‘: 400}

代码3:

books={"倚天屠龙记":{"id":1,"price":100},
       "好吗好的":{"id":2,"price":200},
       "告别薇安":{"id":3,"price":300},
       "穆斯林的葬礼":{"id":4,"price":400}
       }
for i in books:
    print(books[i]["id"])

结果:

1
2
3
4

代码4:

books={"倚天屠龙记":{"id":1,"price":100},
       "好吗好的":{"id":2,"price":200},
       "告别薇安":{"id":3,"price":300},
       "穆斯林的葬礼":{"id":4,"price":400}
       }
for i in books:
    print(books[i]["price"])

结果:

100
200
300
400

dict字典的用法

标签:print   price   倚天   屠龙记   col   dict   div   结果   for   

原文地址:https://www.cnblogs.com/Mr-choa/p/12549215.html

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