train_grpo.py.GRPO Training Script for Qwen Model on GSM8K Dataset. This script trains a Qwen model using the GRPO (Generalized Reinforcement Policy Optimization) method on the GSM8K (Generalized Math 8K) dataset. The script leverages transformers, PEFT (Parameter-Efficient Fine-Tuning), and TRL (Transformers Reinforcement Learning) libraries.