diff --git a/extract_parametrize.py  b/extract_parametrize.py 
index e69de29b..e094b28d 100644
--- a/extract_parametrize.py 	
+++ b/extract_parametrize.py 	
@@ -0,0 +1,41 @@
+import ast
+
+def extract_all_parametrize(filepath):
+    with open(filepath, "r") as f:
+        tree = ast.parse(f.read(), filename=filepath)
+
+    parametrize_data = {}
+
+    for node in ast.walk(tree):
+        if isinstance(node, ast.FunctionDef):
+            for deco in node.decorator_list:
+                if (
+                    isinstance(deco, ast.Call) and
+                    isinstance(deco.func, ast.Attribute) and
+                    deco.func.attr == "parametrize"
+                ):
+                    names_node = deco.args[0]
+                    values_node = deco.args[1]
+
+                    if isinstance(names_node, ast.Str):
+                        param_names = [x.strip() for x in names_node.s.split(",")]
+                    elif isinstance(names_node, ast.List):
+                        param_names = [elt.s for elt in names_node.elts if isinstance(elt, ast.Str)]
+                    else:
+                        param_names = []
+
+                    param_values = []
+                    if isinstance(values_node, ast.List):
+                        for elt in values_node.elts:
+                            if isinstance(elt, ast.Tuple):
+                                value = [ast.literal_eval(e) for e in elt.elts]
+                            else:
+                                value = [ast.literal_eval(elt)]
+                            param_values.append(value)
+
+                    parametrize_data[node.name] = {
+                        "names": param_names,
+                        "values": param_values
+                    }
+
+    return parametrize_data
\ No newline at end of file