How do i save Dictionary to a file and then read it from it? can't really find anything usefull on t

using System.Text.Json;
var p = new Dictionary<string, string>()
{
  { "Hello", "World" },
  { "It's me", "Mario" }
};

var serialized = JsonSerializer.Serialize(p);
File.WriteAllText("/tmp/test.json", serialized);
var deserialized = JsonSerializer.Deserialize<Dictionary<string,string>>(File.ReadAllText("/tmp/test.json"));
deserialized

using System.Text.Json;
var p = new Dictionary<string, string>()
{
  { "Hello", "World" },
  { "It's me", "Mario" }
};

var serialized = JsonSerializer.Serialize(p);
File.WriteAllText("/tmp/test.json", serialized);
var deserialized = JsonSerializer.Deserialize<Dictionary<string,string>>(File.ReadAllText("/tmp/test.json"));
deserialized