python世界里，json和dict是天生一对，他们之间的转换是必须要熟练的
1.dumps/loads
dict1 = {"fan":123456,"gaga":"4j"}
json1 = json.dumps(dict1)
print(json1)
print(type(json1))
dict2 = json.loads(str(json1))
print(dict2)
print(type(dict2))
输出如下
{"gaga": "4j", "fan": 123456}
<class 'str'>
{'fan': 123456, 'gaga': '4j'}
<class 'dict'>
2.dump/load
dict = {"fan":1123,"gaga":"12312"}
with open("test.txt","w") as f:
json.dump(dict,f)
with open("test.txt","r") as f:
dict1 = json.load(f)
print(dict1)
print(type(dict1))
输出如下
{'gaga': '12312', 'fan': 1123}
<class 'dict'>
以上，后面会继续补充
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