python: json 檔案處理

#file.py
import json as j
with open("config.json", mode="r", encoding="utf-8″) as f:
data=j.load(f)
print(data) #data 是一個字典
print ("name" + " :", data["name"])
print ("version" + " :", data["version"])

#修改寫入
data["name"]="New Name"
with open("config.json", mode="w", encoding="utf-8″)as f:
j.dump(data, f)

#在讀取
with open("config.json", mode="r", encoding="utf-8″) as f:
data=j.load(f)
print(data) #data 是一個字典
print ("name" + " :", data["name"])
print ("version" + " :", data["version"])