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import json
#  Criar ou ler JSON existente
usuario ="""{
    "name": "Ronaldo Kaizer",
    "age": 20,
    "city": "Paraná",
    "isStudent": true,
    "gpa":2.4
}"""
with open('Frio.json','w',encoding='utf-8') as arquivo_json:
    json.dump(usuario,arquivo_json)