Update README.md

Author: JingShing

README.md

@@ -1,2 +1,21 @@
 # json_value_finder
 a simple script help you find certain value in a json data structure. It will give you the path to the key.
+
+## Example
+```py
+data = {
+ "key1": "value1",
+ "key2": {
+ "key3": "value3",
+ "key4": "value4"
+ },
+ "key5": [
+ "value5",
+ "value6",
+ {"key6": "value7"}
+ ]
+ }
+
+ result_path = find_path(data, "value7")
+ print(result_path) # Output: ['key5', 2, 'key6']
+```