added study.shuffle_exps() feature

Author: optimass

src/agentlab/experiments/study.py

@@ -157,6 +157,12 @@ def get_results(self, suffix="", also_save=True):
 
         return result_df, summary_df, error_report
 
+    def shuffle_exps(self):
+        """Shuffle the experiments in the study."""
+        import random
+
+        random.shuffle(self.exp_args_list)
+
 
 @dataclass
 class Study(AbstractStudy):