Upload ozone.py

ozone.py

@@ -290,6 +290,7 @@ class Ozone(datasets.GeneratorBasedBuilder):
     
     def _generate_examples(self, filepath: str):
         data = pandas.read_csv(filepath)
+        print(data.head())
         data.drop("Date", axis="columns", inplace=True)
         data.loc[:, "Class"] = data.Class.astype(int)
         data = data[~(data.isin(["?"]).any(axis=1))]