diff --git a/other/json/README.md b/other/json/README.md
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+++ b/other/json/README.md
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+# Json parser
+
+Ce projet est basé sur le tutoriel de lark et me permet de prendre la main avec cet outil
diff --git a/other/json/json.lark b/other/json/json.lark
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index 0000000..2b200cf
--- /dev/null
+++ b/other/json/json.lark
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+?value: dict
+	 | list
+	 | string
+	 | SIGNED_NUMBER	-> number
+	 | "true"			-> true
+	 | "false" 			-> false
+	 | "null"			-> null 
+
+list: "[" [value ("," value)*] "]"
+
+dict: "{" [pair ("," pair)*] "}"
+pair: string ":" value
+
+string: ESCAPED_STRING
+%import common.ESCAPED_STRING
+%import common.SIGNED_NUMBER
+
+%import common.WS
+%ignore WS
diff --git a/other/json/json.py b/other/json/json.py
new file mode 100644
index 0000000..cd4a7e1
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+++ b/other/json/json.py
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+import lark
+import pprint
+
+class JsonTransformer(lark.Transformer):
+    def string(self, el):
+        (el,) = el
+        return el[1:-1]
+
+    def number(self, el):
+        (el, ) = el
+        return float(el)
+
+
+    list = list
+    dict = dict
+    pair = tuple
+
+    null = lambda self, _: None
+    true = lambda self, _: True
+    false = lambda self, _: False
+
+json = '{"key": ["item0", "item1", 3.14, true]}'
+
+with open("json.lark") as f:
+    json_parser = lark.Lark(f, start="value", parser="lalr", transformer=JsonTransformer())
+
+t = json_parser.parse(json)
+print(t)
+