[英]How do I turn JSON Objects into a dict?
从事淡水鱼保护项目。 我抓取了一个 JSON 文件,如下所示:
{
"fish": [
{
"id": 0,
"n": "NO INFORMATION",
"a": "NONE",
"i": "none.png"
},
{
"id": 1,
"n": "Hampala barb",
"a": "Hampala macrolepidota",
"i": "hampala.png"
},
{
"id": 2,
"n": "Giant snakehead",
"a": "Channa micropeltes",
"i": "toman.png"
},
{
"id": 3,
"n": "Clown featherback",
"a": "Chitala ornata",
"i": "belida.png"
}
]
}
我正在尝试将键"id"
和"a"
提取到 python 字典中,如下所示:
fish_id = {
0 : "NONE",
1 : "Hampala macrolepidota",
2 : "Channa micropeltes",
3 : "Chitala ornata"
}
import json
data = """{
"fish": [
{
"id": 0,
"n": "NO INFORMATION",
"a": "NONE",
"i": "none.png"
},
{
"id": 1,
"n": "Hampala barb",
"a": "Hampala macrolepidota",
"i": "hampala.png"
},
{
"id": 2,
"n": "Giant snakehead",
"a": "Channa micropeltes",
"i": "toman.png"
},
{
"id": 3,
"n": "Clown featherback",
"a": "Chitala ornata",
"i": "belida.png"
}
]
}"""
data_dict = json.loads(data)
fish_id = {}
for item in data_dict["fish"]:
fish_id[item["id"]] = item["a"]
print(fish_id)
首先创建一个 fish.json 文件,得到你的 JSON 文件;
with open('fish.json') as json_file:
data = json.load(json_file)
然后,带上你的鱼;
fish1 = data['fish'][0]
fish2 = data['fish'][1]
fish3 = data['fish'][2]
fish4 = data['fish'][3]
之后只为每个值取值,因为您只想根据值创建字典;
value_list1=list(fish1.values())
value_list2=list(fish2.values())
value_list3=list(fish3.values())
value_list4=list(fish4.values())
最后,创建 fish_id 字典;
fish_id = {
f"{value_list1[0]}" : f"{value_list1[2]}",
f"{value_list2[0]}" : f"{value_list2[2]}",
f"{value_list3[0]}" : f"{value_list3[2]}",
f"{value_list4[0]}" : f"{value_list4[2]}",
}
如果你跑;
print(fish_id)
结果会像下面这样,但是如果你可以使用 for 循环,它会更有效。
{'0':'NONE','1':'Hampala macrolepidota','2':'Channa micropeltes','3':'Chitala ornata'}
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