diff --git a/json.py b/json.py
new file mode 100644
index 00000000..67ef280a
--- /dev/null
+++ b/json.py
@@ -0,0 +1,31 @@
+import json
+
+def explain_json(json_file):
+  """
+  Explains the code of the JSON file.
+
+  Args:
+    json_file: The JSON file to explain.
+
+  Returns:
+    A list of strings that explain the code of the JSON file.
+  """
+
+  with open(json_file) as f:
+    json_data = json.load(f)
+
+  explanations = []
+
+  for key, value in json_data.items():
+    if isinstance(value, dict):
+      explanations.append("The key '{}' is a dictionary.".format(key))
+      for subkey, subvalue in value.items():
+        explanations.append("The key '{}' has the value '{}'.".format(subkey, subvalue))
+    elif isinstance(value, list):
+      explanations.append("The key '{}' is a list.".format(key))
+      for item in value:
+        explanations.append("The list contains the item '{}'.".format(item))
+    else:
+      explanations.append("The key '{}' has the value '{}'.".format(key, value))
+
+  return explanations